{"title":"Cylinder Kits \u0026 Big Bore Kits","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAffordable big bore \u0026amp; standard cylinder kits\u003c\/strong\u003e (with piston, rings, pin, gaskets, often head\/valves) for \u003cstrong\u003escooters, ATVs, pit bikes, go-karts, pocket bikes\u003c\/strong\u003e, and \u003cstrong\u003edirt bikes\u003c\/strong\u003e — boosts displacement\/power (e.g., 50cc → 80cc, 150cc → 180cc-250cc), fixes scored cylinders, low compression, or smoking during rebuilds. Dominant sizes: \u003cstrong\u003e39mm-47mm\u003c\/strong\u003e (49cc-80cc GY6 139QMB), \u003cstrong\u003e52.4mm\u003c\/strong\u003e (110cc-125cc TaoTao\/Lifan horizontal), \u003cstrong\u003e57.4mm\u003c\/strong\u003e (150cc GY6 152QMI\/157QMJ), \u003cstrong\u003e44mm\u003c\/strong\u003e (2-stroke 47cc-54cc big bore), up to \u003cstrong\u003e63mm\/64mm\u003c\/strong\u003e (180cc-250cc GY6) and outliers (\u003cstrong\u003e89mm Honda XR400R\u003c\/strong\u003e, \u003cstrong\u003eGX340\/390\u003c\/strong\u003e heads) — durable aluminum\/steel kits for budget upgrades or repairs.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBest fits\u003c\/strong\u003e: \u003cstrong\u003eGY6\u003c\/strong\u003e 4-stroke 49cc-250cc (139QMB\/50cc short, 152QMI\/157QMJ; TaoTao, SunL, Roketa, Baja, SSR, Coolster, Kazuma scooters\/ATVs\/go-karts), \u003cstrong\u003e2-stroke\u003c\/strong\u003e 43cc-50cc (Jog\/Zuma\/Vino, pocket bikes\/mini quads, chain saws), \u003cstrong\u003ehorizontal engines\u003c\/strong\u003e 110cc-125cc (Lifan LF125, TaoTao\/Coolster), \u003cstrong\u003eYX140\u003c\/strong\u003e 140cc-150cc pit bikes, \u003cstrong\u003eHonda\u003c\/strong\u003e CRF70\/XR70\/CT70\/TRX70 + GX340\/GX390, and many Chinese clones. Most are \u003cstrong\u003eplug-and-play\u003c\/strong\u003e complete top-end kits (some with carb\/spark plug\/head\/valves) for quick displacement boosts or full rebuilds!\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eNeed only the cylinder head? Browse our \u003ca href=\"https:\/\/goofitmoto.com\/collections\/cylinder-head\" title=\"GY6 Cylinder Heads \u0026amp; Valve Covers | 50cc-150cc – GoofitMoto\"\u003eCylinder Heads collection\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"goofit-62-5mm-engine-parts-cylinder-liners-heads-piston-gasket-block-kit-replacement-for-gy6-180cc-200cc-250cc-atv-off-road-vehicle-engines","title":"62.5mm Big Bore Cylinder \u0026 Head Rebuild Kit for 4-Stroke GY6 150cc 180cc 200cc Upgrade 157QMJ 152QMI","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eUnleash the maximum potential of your GY6 platform with the GOOFIT 62.5mm Extreme Big Bore Kit. This comprehensive power package is engineered to upgrade standard \u003cb data-path-to-node=\"9\" data-index-in-node=\"163\"\u003e150cc (157QMJ)\u003c\/b\u003e engines into high-displacement \u003cb data-path-to-node=\"9\" data-index-in-node=\"209\"\u003e180cc\/200cc\u003c\/b\u003e beasts. Combining a high-grade aluminum alloy cylinder with a precision-machined head, this kit delivers explosive torque and superior heat management, ensuring your ATV, UTV, or racing scooter dominates any terrain.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\" class=\"\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"5\" class=\"\"\u003e62.5mm Extreme Big Bore Kit\u003c\/b\u003e\u003cspan class=\"\"\u003e is engineered as a high-performance upgrade for the standard GY6 150cc platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"4\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eCompatible Engine Codes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003e\u003cb data-path-to-node=\"4,1,1,0\" data-index-in-node=\"0\"\u003eGY6 150cc:\u003c\/b\u003e 157QMJ, 157QMI, 152QMI, 152QMJ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eEngine Platform\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003e4-Stroke Air-Cooled Horizontal Engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003ePerformance Upgrade\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003eBoosts standard 150cc to \u003cb data-path-to-node=\"4,3,1,0\" data-index-in-node=\"25\"\u003e180cc \/ 200cc \/ 250cc Class\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eVehicle Types\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003ePerformance ATVs, UTVs, Racing Scooters, Go-Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eSupported Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003eTaoTao, Coolster, Ice Bear, Roketa, Bacci, Wolf, \u0026amp; other GY6 Clones\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003eFitment Note\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003eDesigned for 15mm Piston Pin configurations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e4-Stroke GY6 Horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eCylinder\/Piston Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e\u003cb data-path-to-node=\"16,2,1,0\" data-index-in-node=\"0\"\u003e62.5mm \/ 2.46\" (Extreme Big Bore)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e\u003cb data-path-to-node=\"16,3,1,0\" data-index-in-node=\"0\"\u003e15mm \/ 0.59\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eDistributor Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e28mm \/ 1.1\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003ePremium Aluminum Alloy \u0026amp; High-Temp Steel Liner\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eCooling System\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eOptimized Air-Cooled Fins\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,0,0\"\u003e\u003cb data-path-to-node=\"16,7,0,0\" data-index-in-node=\"0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,1,0\"\u003eCylinder Block, Cylinder Head, Piston, Rings, Pin, Clips, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eExtreme Displacement Boost:\u003c\/b\u003e The massive 62.5mm bore significantly increases engine capacity, providing a dramatic surge in horsepower and low-end torque for competitive off-road performance.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eHigh-Performance Head Design:\u003c\/b\u003e Features an optimized combustion chamber that ensures faster flame propagation and higher compression, resulting in peak fuel efficiency and power output.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eHybrid Material Construction:\u003c\/b\u003e Combines lightweight aluminum for rapid heat dissipation with a high-temperature resistant steel liner for maximum wear resistance under racing conditions.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eAll-Terrain Reliability:\u003c\/b\u003e Meticulously engineered to maintain stable operation during high-load, extreme-temperature use, extending the overall lifespan of your modified engine.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eComplete Top-End Solution:\u003c\/b\u003e A fully matched kit including the cylinder head and gaskets, designed for a seamless fit and eliminating the guesswork of mixing and matching performance parts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473115730088,"sku":"Q001-078","price":111.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-62-5mm-For-GY6-180cc-200cc-250cc-Eng-0.jpg?v=1770779821"},{"product_id":"cylinder-kits-89mm-for-honda-xr400r-trx400ex","title":"85mm 397cc Big Bore Cylinder Rebuild Kit with Piston \u0026 Gaskets for Honda TRX400EX TRX400X XR400R (1996-2014)","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eRestore the high-torque performance of your Honda ATV or Dirt Bike with the GOOFIT 85mm Cylinder Rebuild Kit. Engineered as a direct OEM replacement for the \u003cb data-index-in-node=\"157\" data-path-to-node=\"9\"\u003e397cc (400cc class)\u003c\/b\u003e engine, this kit is compatible with the legendary XR400R and TRX400EX\/X series. Crafted for precision and durability, it includes everything from the cylinder block to a premium spark plug and an exclusive GOOFIT keychain, ensuring your Quad or Pit Bike is ready for the toughest trails.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eThis kit is a precision-engineered replacement for the following Honda 4-stroke models:\u003c\/p\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eYear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,1,0,0\"\u003eHonda XR400R\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003e1996–2004\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,2,0\"\u003eDirt Bike \/ Enduro\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,2,0,0\"\u003eHonda Sportrax TRX400EX\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003e1999–2008\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,2,0\"\u003eSport ATV \/ Quad\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,3,0,0\"\u003eHonda TRX400X\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e2009, 2012–2014\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,2,0\"\u003eSport ATV \/ Quad\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,1,0,0\"\u003eCylinder Bore Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,1,1,0\"\u003e85.00mm (Standard 400cc Bore)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,2,0,0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e397cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,3,0,0\"\u003eMounting Nut Distance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e87mm x 80mm x 90mm x 80mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,4,0,0\"\u003eOEM Reference Nos.\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e12100-HN1-A70, 13101-KCY-670, 12251-HN1-003\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,5,0,0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003eHigh-Grade Aluminum Alloy with Steel Liner\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,6,0,0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eCylinder, Piston, Rings, Pin, Clips, Gaskets, Spark Plug, Keychain\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,0,0\"\u003ePerfect OEM Interchange:\u003c\/b\u003e Designed to meet or exceed original factory specifications, ensuring a seamless fit with your Honda crankcase and head.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,1,0\"\u003eHeavy-Duty Construction:\u003c\/b\u003e Features a robust cylinder sleeve that provides excellent wear resistance and thermal stability, ideal for long-distance trail riding or racing.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,2,0\"\u003eEnhanced Sealing System:\u003c\/b\u003e Includes premium multi-layer gaskets and precision-machined piston rings to prevent compression loss and eliminate oil leaks.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,3,0\"\u003eAll-In-One Rebuild Package:\u003c\/b\u003e Comprehensive kit including a performance spark plug and all necessary top-end hardware, saving you time and ensuring component compatibility.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,4,0\"\u003eGOOFIT Quality Assurance:\u003c\/b\u003e Every kit undergoes rigorous quality control to ensure \"out-of-the-box\" reliability for professional mechanics and DIY enthusiasts alike.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473118744744,"sku":"Group-300","price":135.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/61TB8ngeyCL._AC_SL1010.jpg?v=1770779868"},{"product_id":"cylinder-head-assembly-for-honda-gx340-gx390-11hp-13hp-engine-replacement-12200-zf6-406","title":"Cylinder Head Assembly for Honda GX340 GX390 11HP 13HP Engine Replacement 12200-ZF6-406","description":"\u003ch2 data-path-to-node=\"8\" class=\"\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cspan class=\"\"\u003eBring your heavy-duty equipment back to life with the GOOFIT Complete Cylinder Head Assembly.\u003c\/span\u003e\u003cspan class=\"\"\u003e Designed specifically for \u003c\/span\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"120\" class=\"\"\u003eHonda GX340 (11HP)\u003c\/b\u003e\u003cspan class=\"\"\u003e and \u003c\/span\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"143\" class=\"\"\u003eGX390 (13HP)\u003c\/b\u003e\u003cspan class=\"\"\u003e engines,\u003c\/span\u003e\u003cspan class=\"\"\u003e this kit is a direct OEM-spec replacement.\u003c\/span\u003e\u003cspan class=\"\"\u003e Whether it's for a generator,\u003c\/span\u003e\u003cspan class=\"\"\u003e pressure washer,\u003c\/span\u003e\u003cspan class=\"\"\u003e or water pump,\u003c\/span\u003e\u003cspan class=\"\"\u003e this fully equipped assembly—including rockers,\u003c\/span\u003e\u003cspan class=\"\"\u003e valves,\u003c\/span\u003e\u003cspan class=\"\"\u003e and springs—is built for industrial-grade durability and stable performance under high load.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eDirect replacement for Honda and premium Chinese clone 4-stroke engines.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement \/ Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Cross-Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eHonda GX340\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003e337cc \/ 11HP\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,2,0\"\u003e12200-ZF6-406\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eHonda GX390\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003e389cc \/ 13HP\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,2,0\"\u003e12210-ZE3-040\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eGaskets\/Parts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e11HP\/13HP Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,2,0\"\u003e12391-ZE2-000, 12251-ZE3-800\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eAir Intake Port\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e34mm (Mounting Hole: 53mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eExhaust Vent Port\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e29mm (Mounting Hole: 50mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eStud Mounting Distance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e77mm \/ 92mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eSpark Plug Model\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e\u003cb data-path-to-node=\"16,4,1,0\" data-index-in-node=\"0\"\u003eF7TC (Included)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eAssembly Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003e\u003cb data-path-to-node=\"16,5,1,0\" data-index-in-node=\"0\"\u003ePre-installed\u003c\/b\u003e (Rockers, Valves, Springs, Clips)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eThickened Corrosion-Resistant Aluminum Allo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003e\"Ready-to-Bolt\" Convenience:\u003c\/b\u003e This is a fully loaded cylinder head assembly. Valves, springs, and rocker arms are pre-installed, eliminating the need for complex valve spring compression tools.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eReinforced Heavy-Duty Build:\u003c\/b\u003e Featuring a thickened shell design, this head is engineered for superior wear resistance and can withstand the intense thermal cycles of 13HP commercial engines.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eAdvanced Thermal Management:\u003c\/b\u003e The high-grade alloy structure provides super heat dissipation, preventing warping and ensuring stable power output during extended run times.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eOptimized Fuel Economy:\u003c\/b\u003e Precision-machined intake and exhaust ports improve airflow efficiency, resulting in stronger power and better oil-saving performance.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eCorrosion-Resistant Coating:\u003c\/b\u003e Treated to resist rust and corrosion, making it ideal for equipment used in outdoor or high-humidity environments.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473123233960,"sku":"K075-065","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-For-GX340-GX390-11HP-13HP-Engine-1.jpg?v=1770779929"},{"product_id":"goofit-52-4mm-cylinder-head-assembly-with-sleeve-plug-spark-plug-upper-and-lower-gasket-for-4-stroke-horizontal-110cc-engine-atv-dirt-bike-go-kart-scooter","title":"52.4mm Cylinder Head Assembly with Sleeve Plug \u0026 Spark Plug for 4-Stroke 110cc Horizontal Engine ATV Dirt Bike","description":"\u003ch2 class=\"\" data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan class=\"\"\u003eRestore the factory-fresh compression and efficiency of your 110cc engine with the GOOFIT Professional Cylinder Head Rebuild Kit.\u003c\/span\u003e\u003cspan class=\"\"\u003e This assembly is specifically engineered for \u003c\/span\u003e\u003cb class=\"\" data-index-in-node=\"175\" data-path-to-node=\"8\"\u003e4-stroke Chinese horizontal engines\u003c\/b\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e providing a precision-matched 52.\u003c\/span\u003e\u003cspan class=\"\"\u003e4mm bore for leak-free sealing.\u003c\/span\u003e\u003cspan class=\"\"\u003e With optimized air passage design and a complete set of mounting hardware—including sleeve plugs and gaskets—this kit is built to enhance throttle response and fuel economy for your ATV,\u003c\/span\u003e\u003cspan class=\"\"\u003e Dirt Bike,\u003c\/span\u003e\u003cspan class=\"\"\u003e or Go-Kart.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eDirect replacement for \u003cb data-index-in-node=\"23\" data-path-to-node=\"11\"\u003e4-stroke 110cc Horizontal Engines\u003c\/b\u003e found in most Chinese powersports brands.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eATVs \/ Quads\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e110cc Youth Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eTaoTao, Coolster, Mountopz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003eDirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e110cc Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eStandard Horizontal Layout\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003eGo Karts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e110cc Off-road Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003e52.4mm Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,4,0,0\"\u003eScooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e110cc 4-Stroke Mopeds\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eStandard 48x50mm Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"14\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"14\"\u003eSpecifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv class=\"table-block has-export-button\"\u003e\n\u003cdiv class=\"table-content not-end-of-paragraph\" data-ved=\"0CAAQ3ecQahgKEwjJzuHZkrySAxUAAAAAHQAAAAAQ1gk\" data-hveid=\"0\"\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e52.4mm \/ 2.06\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003eBolt Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e48mm x 50mm (1.89\" x 1.97\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003eIntake\/Exhaust Distance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e45mm \/ 1.77\" (Center-to-Center)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e4-Stroke Horizontal 110cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eCylinder Head, Sleeve Plug, Spark Plug, Upper\/Lower Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003ePrecision Leak-Free Sealing:\u003c\/b\u003e The 52.4mm head diameter is meticulously machined to match target specifications, ensuring a perfect airtight seal and maximum combustion efficiency.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003eComplete Hardware Bundle:\u003c\/b\u003e\u003cspan class=\"citation-164\"\u003e Uniquely equipped with \u003c\/span\u003e\u003cb data-index-in-node=\"49\" data-path-to-node=\"18,1,0\"\u003e\u003cspan class=\"citation-164\"\u003eSleeve Plugs\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-164 citation-end-164\"\u003e and a fresh spark plug, ensuring a more stable combustion chamber structure and easier installation compared to bare head kits.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eOptimized Airflow Design:\u003c\/b\u003e Re-engineered intake and exhaust passages improve the scavenging process, leading to increased power output and faster vehicle responsiveness.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eEnhanced Fuel Economy:\u003c\/b\u003e The refined combustion chamber shape ensures a more complete fuel burn, lowering consumption while maintaining high torque for off-road conditions.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eDurable Alloy Construction:\u003c\/b\u003e Built from high-strength materials designed to withstand the thermal stress of daily use, ensuring a long service life and reliable performance.\u003cspan class=\"citation-164 citation-end-164\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473124380840,"sku":"E093-001","price":133.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-52-4mm-For-110cc-4-Stroke-Horizontal-0.jpg?v=1770779958"},{"product_id":"goofit-63mm-cylinder-body-assembly-with-rocker-94-chain-for-4-stroke-gy6-150cc-180cc-200cc-250cc-engines-atv-off-road-vehicle-scooter-go-kart","title":"63mm Big Bore Cylinder Kit with Rocker Arm \u0026 94-Link Chain for 4-Stroke GY6 150cc 180cc 200cc Upgrade","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003ePush your GY6 engine to its absolute limit with the GOOFIT 63mm Extreme Big Bore Kit. This high-performance assembly is designed to transform standard 150cc engines into high-torque 180cc\/200cc powerhouses. Unlike basic kits, this \"Professional Series\" includes a precision-matched rocker arm assembly and a heavy-duty 94-link timing chain to ensure your valve train can handle the massive increase in displacement. Perfect for off-road ATVs, high-speed scooters, and racing go-karts.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA premium performance upgrade for the \u003cb data-index-in-node=\"38\" data-path-to-node=\"11\"\u003eGY6 150cc (157QMJ)\u003c\/b\u003e platform and its high-displacement variants.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOriginal Engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrade Potential\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eGY6 150cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eUpgrades to \u003cb data-index-in-node=\"12\" data-path-to-node=\"12,1,1,0\"\u003e200cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eRacing Scooters \u0026amp; Quads\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003eGY6 180cc \/ 200cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eDirect Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eHigh-Load Off-Road Use\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003eCompatible Vehicles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eATVs, Go Karts, Buggies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eTaoTao, Coolster, Ice Bear\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e63mm \/ 2.48\" (Extreme Big Bore)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003eIntake Port\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003eDia: 26mm (Bolt Spacing: 45mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003eExhaust Port\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eDia: 30mm (Bolt Spacing: 50mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003eTiming Chain\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e94 Links (High-Strength)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eAerospace-Grade Aluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,6,0,0\"\u003eKit Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003eCylinder, Rocker Arm Assembly, 94-Link Chain, Piston Kit, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003eMassive Displacement Boost:\u003c\/b\u003e The 63mm bore provides a significant increase in raw horsepower and low-end torque, essential for heavy-duty off-roading and uphill climbing.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003ePrecision Rocker Arm Assembly:\u003c\/b\u003e Includes a pre-adjusted rocker arm set that ensures exact valve timing and reduced friction, preventing \"valve float\" at high RPMs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eHeavy-Duty 94-Link Timing Chain:\u003c\/b\u003e Specifically selected for extended-deck or high-performance GY6 configurations, providing reliable synchronization between the crank and cam.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eAdvanced Aluminum Heat Dissipation:\u003c\/b\u003e The high-strength alloy body rapidly dissipates heat, maintaining engine stability and preventing power loss during long-distance, high-speed operation.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eFuel-Efficient Power:\u003c\/b\u003e Optimized combustion chamber design increases the compression ratio and combustion efficiency, delivering more \"bang for your buck\" with every drop of fuel.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473130868904,"sku":"Q001-073","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-63mm-For-4-Stroke-GY6-150cc-180cc-200.jpg?v=1770780059"},{"product_id":"goofit-57-4mm-big-bore-cylinder-kit-replacement-for-150cc-4stroke-gy6-157qmj-engine-rebuild-kit-cylinder-head-chinese-scooter","title":"57.4mm Cylinder Rebuild Kit with Piston for 4-Stroke GY6 150cc 157QMJ Engine Scooter ATV","description":"\u003ch2 class=\"\" data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan class=\"\"\u003eRestore the core power of your scooter with the GOOFIT 57.\u003c\/span\u003e\u003cspan class=\"\"\u003e4mm Cylinder Rebuild Kit.\u003c\/span\u003e\u003cspan class=\"\"\u003e Specifically engineered for the ubiquitous \u003c\/span\u003e\u003cb class=\"\" data-index-in-node=\"127\" data-path-to-node=\"8\"\u003e4-stroke GY6 150cc (157QMJ)\u003c\/b\u003e\u003cspan class=\"\"\u003e engine,\u003c\/span\u003e\u003cspan class=\"\"\u003e this kit serves as the heart of your motor's energy conversion.\u003c\/span\u003e\u003cspan class=\"\"\u003e Utilizing an advanced reticulated honing process,\u003c\/span\u003e\u003cspan class=\"\"\u003e this cylinder enhances oil retention and lubrication,\u003c\/span\u003e\u003cspan class=\"\"\u003e significantly reducing friction and fuel consumption while maximizing heat dissipation for long-term engine health.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA standard-sized replacement for the \u003cb data-index-in-node=\"37\" data-path-to-node=\"11\"\u003eGY6 150cc 157QMJ\u003c\/b\u003e engine platform found in most Chinese-made street scooters and ATVs.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eTaoTao, SUNL, Buyang\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eGY6 150cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eGas Scooters, Mopeds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003eJCL, Baja, Roketa\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e157QMJ\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eATVs, Quads, Go-Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003eOther Chinese Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e4-Stroke 150cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eStandard Chassis Models\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eCylinder\/Piston Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e57.4mm \/ 2.25\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003ePiston Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e15mm \/ 0.59\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003ePiston Pin Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e42mm \/ 1.65\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e4-Stroke GY6 (157QMJ)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003eHoning Process\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eReticulated (Cross-Hatch)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003eAdvanced Reticulated Honing:\u003c\/b\u003e The cylinder walls feature a specialized cross-hatch pattern that increases oil storage and lubrication, reducing wear during cold starts and high-speed operation.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003eSuperior Compression \u0026amp; Sealing:\u003c\/b\u003e Precision-machined 57.4mm bore ensures an airtight seal with the piston rings, maximizing the conversion of chemical energy into mechanical power.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eEnhanced Heat Dissipation:\u003c\/b\u003e Constructed with a high-efficiency fin structure that rapidly draws heat away from the combustion chamber, preventing power fade and thermal expansion.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eLow-Friction Piston Assembly:\u003c\/b\u003e\u003cspan class=\"citation-129 citation-end-129\"\u003e Includes a perfectly matched 57.4mm piston and 15mm pin designed to move smoothly within the bore, improving fuel economy and engine responsiveness.\u003csup data-turn-source-index=\"2\" class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-129 citation-end-129\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eDurable Engine Rebuild Solution:\u003c\/b\u003e Built to replace worn or scored cylinders, providing a reliable and cost-effective way to bring your Chinese scooter back to \"like-new\" performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473131458728,"sku":"Group-4","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-57-4mm-For-150cc-4stroke-GY6-157QMJ-E-0.jpg?v=1770780079"},{"product_id":"goofit-big-bore-cylinder-rebuild-kit-for-gy6-50cc-139qmb-racing-scooter-parts-64mm-valve","title":"Big Bore Cylinder Rebuild Kit with 64mm Valves for 4-Stroke GY6 49cc 50cc 139QMB Racing Scooter (80cc\/100cc Upgrade)","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eUnleash the hidden power of your 50cc scooter with the GOOFIT Ultimate Big Bore Kit. \u003cspan class=\"citation-208\"\u003eThis \"Racing Series\" package is the maximum performance upgrade for \u003c\/span\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"153\"\u003e\u003cspan class=\"citation-208\"\u003eGY6 50cc 139QMB\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-208 citation-end-208\"\u003e engines, designed to significantly increase RPM and torque.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Featuring a precision-machined cylinder and a \u003cb data-path-to-node=\"9\" data-index-in-node=\"275\"\u003e64mm valve head\u003c\/b\u003e, this kit optimizes fuel combustion and enhances engine response, transforming your mild-mannered moped into a high-performance racing machine.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eThis kit is exclusively for the 4-stroke GY6 50cc platform. \u003cb data-path-to-node=\"12\" data-index-in-node=\"60\"\u003ePlease verify your valve length before ordering.\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eCompatible Engines\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003e\u003cb data-path-to-node=\"13,1,1,0\" data-index-in-node=\"0\"\u003eGY6 49cc \/ 50cc:\u003c\/b\u003e 139QMB, 1P39QMB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eValve Specification\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003e\u003cb data-path-to-node=\"13,2,1,0\" data-index-in-node=\"0\"\u003e64mm Valve Length Only\u003c\/b\u003e (Does NOT fit 69mm versions)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eUpgrade Purpose\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003eMaximum RPM \u0026amp; Displacement Boost (80cc\/100cc Class)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,0,0\"\u003e\u003cb data-path-to-node=\"13,4,0,0\" data-index-in-node=\"0\"\u003eVehicle Types\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,1,0\"\u003eRacing Scooters, Mopeds, Mini Quads, Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,5,0,0\"\u003e\u003cb data-path-to-node=\"13,5,0,0\" data-index-in-node=\"0\"\u003eSupported Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,5,1,0\"\u003eTaoTao, Peace Sports, Wolf, Ice Bear, Bacci, and other GY6 50cc clones\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e4-Stroke Air-Cooled Horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eValve Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e\u003cb data-path-to-node=\"16,2,1,0\" data-index-in-node=\"0\"\u003e64mm (Short Valve Version)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eCylinder Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003eHigh-Performance Big Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003ePremium Alloy \u0026amp; High-Temp Resistant Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003ePerformance Gain\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003eIncreased Top Speed \u0026amp; Acceleration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eKit Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eCylinder, Head (with 64mm Valves), Piston Set, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eMaximum Racing Upgrade:\u003c\/b\u003e Specifically engineered to provide the highest displacement boost possible for the 139QMB platform, ensuring more power for uphill climbs and higher top speeds.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eOptimized 64mm Valve Head:\u003c\/b\u003e The precision-tuned cylinder head features 64mm valves that improve gas flow and prevent overheating during high-speed, high-pressure operation.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cspan class=\"citation-207\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-207\"\u003ePremium Wear Resistance:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-207 citation-end-207\"\u003e All metal components are crafted from high-grade materials, offering exceptional tolerance to heat and friction for a significantly longer engine life.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eSwifter Throttle Response:\u003c\/b\u003e By optimizing fuel combustion efficiency, this kit delivers smoother engine operation and reduces \"lag\" during acceleration.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eComprehensive Reliability:\u003c\/b\u003e Precision machining of every core component ensures stable performance under demanding racing conditions while reducing the risk of engine failure.\u003cspan class=\"citation-207 citation-end-207\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473132245160,"sku":"Group-11","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-64mm-For-GY6-50cc-139QMB-Racing-Scoo-0.png?v=1770780093"},{"product_id":"goofit-44mm-big-bore-53cc-54cc-top-end-kit-for-2-stroke-47cc-49cc-engine-mini-quad-pocket-bike","title":"44mm Big Bore Cylinder Kit (53cc-54cc Upgrade) for 2-Stroke 47cc 49cc Pocket Bike ATV","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eUnlock the full potential of your mini ride with the GOOFIT 44mm Big Bore Top-End Kit. \u003cspan class=\"citation-25 citation-end-25\"\u003eDesigned as a high-performance upgrade for standard Chinese 47cc\/49cc 2-stroke engines, this kit increases displacement to 53cc-54cc, delivering an impressive 2hp - 3hp boost.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Whether you are racing or off-roading, this precision-engineered kit provides the extra torque and acceleration needed to dominate the track.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis is a \u003cb data-path-to-node=\"11\" data-index-in-node=\"10\"\u003ePerformance Upgrade Part\u003c\/b\u003e for 2-stroke small engines. It converts standard 47cc\/49cc motors into high-output 53cc\/54cc powerhouses.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePerformance Gain\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003ePocket Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eChinese 47cc \/ 49cc Super Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e+2hp to 3hp Boost\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eMini Quads \/ ATV\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e43cc-50cc Kids ATVs \u0026amp; Quads\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eEnhanced Low-end Torque\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eMini Dirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e47cc \/ 49cc Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eFaster Acceleration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e44mm \/ 1.73\" (Big Bore)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e37mm \/ 1.46\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eEffective Displacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e53cc - 54cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e2-Stroke Air-Cooled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eHardened Coated Alloy \u0026amp; High-Strength Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eInstant Power Upgrade:\u003c\/b\u003e\u003cspan class=\"citation-24 citation-end-24\"\u003e Specifically engineered to boost your regular engine's output by 2hp - 3hp, providing a significant increase in both top speed and climbing power.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003ePrecision Hardened Coating:\u003c\/b\u003e The cylinder inner walls feature a specialized hardening treatment and anti-corrosion coating, ensuring stable performance during sustained high-speed operation.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eHigh-Compression Piston:\u003c\/b\u003e Paired with a high-strength forged piston that reduces friction and vibration, maximizing energy transfer and engine responsiveness.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eSuperior Gas Sealing:\u003c\/b\u003e Precision-manufactured components eliminate air leaks and ensure exceptional sealing, keeping your engine running at peak efficiency for years.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eDirect Performance Fit:\u003c\/b\u003e\u003cspan class=\"citation-23 citation-end-23\"\u003e Designed as a top-end replacement for most Chinese-made 2-stroke 47cc\/49cc engines, making professional-grade tuning accessible for DIY enthusiasts.\u003c\/span\u003e\u003cspan class=\"citation-24 citation-end-24\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473133555880,"sku":"Group-5","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-44mm-For-2-Stroke-43cc-47cc-49cc-50cc-0.jpg?v=1770780119"},{"product_id":"goofit-52-4mm-cylinder-head-with-piston-and-gasket-replacement-for-4-stroke-taotao-chinese-110cc-atv-scooter-dirt-bike-go-kart","title":"52.4mm Cylinder Head \u0026 Piston Rebuild Kit for 4-Stroke 110cc TaoTao ATV Dirt Bike Go Kart","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eRestore the legendary torque of your 110cc engine with the GOOFIT 52.4mm Top-End Rebuild Kit. This comprehensive set is a direct replacement for 4-stroke Chinese engines found in TaoTao, Coolster, and many other popular brands. \u003cspan class=\"citation-114 citation-end-114\"\u003eFeaturing a precision-machined cylinder head with pre-installed valves and a complete piston assembly, this kit is designed to withstand high thermal stress while delivering stable power and long-lasting performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cspan class=\"citation-113\"\u003eFits most \u003c\/span\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"10\"\u003e\u003cspan class=\"citation-113\"\u003e4-Stroke 110cc Horizontal Engines\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-113 citation-end-113\"\u003e (typically found in youth ATVs and small dirt bikes).\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eATVs \/ Quads\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003eTaoTao, Coolster, Buyang 110cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,2,0\"\u003e52.4mm Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eDirt Bikes \/ Pit Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003eSSR, Apollo, CRF110 Clones\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,2,0\"\u003e28T Timing Sprocket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eGo Karts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e110cc Off-road Buggies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,2,0\"\u003eStandard 110cc Layout\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eCylinder\/Piston Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e52.4mm \/ 2.1\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eTiming Drive Sprocket\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e28 Teeth (Critical Parameter)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eValves Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003eIntake: 23mm (0.91\") \/ Exhaust: 20mm (0.79\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003ePiston Height\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e37mm \/ 1.5\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eSpark Plug Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003eA7TC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003e4-Stroke Horizontal 110cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eComplete Top-End Renewal:\u003c\/b\u003e Provides a coordinated cylinder head and piston set to ensure perfect valve-to-piston clearance and optimal compression for 110cc engines.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cspan class=\"citation-112\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-112\"\u003eHigh-Efficiency Heat Dissipation:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-112 citation-end-112\"\u003e The cylinder head features a specialized structural design that maximizes surface area, protecting internal components from overheating under high-load riding.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003ePre-Assembled Valve System:\u003c\/b\u003e Includes a 23mm intake and 20mm exhaust valve pre-installed, significantly reducing installation time and eliminating the need for complex valve seating tools.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003e28-Teeth Precision Timing:\u003c\/b\u003e\u003cspan class=\"citation-111 citation-end-111\"\u003e Includes the standard 28-teeth drive sprocket, ensuring perfect synchronization with your 110cc engine's camshaft and crankshaft.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-112 citation-end-112\"\u003e\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eHeavy-Duty Construction:\u003c\/b\u003e Built from high-toughness, rust-proof alloys that resist corrosion and wear, ensuring your machine stays on the trail for years to come.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473145024680,"sku":"Group-106","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-52-4mm-For-4-Stroke-110cc-Taotao-ATV-0.jpg?v=1770780361"},{"product_id":"goofit-47mm-big-bore-cylinder-kits-replacement-for-80cc-4-stroke-139qmb-gy6-atv-go-kart-quad-scooter","title":"47mm Big Bore Cylinder Rebuild Kit (80cc Upgrade) for GY6 50cc 139QMB 139QMA 4-Stroke Scooter ATV (Non-EGR)","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eUpgrade your GY6 50cc engine to a high-performance 80cc powerhouse with the GOOFIT 47mm Big Bore Kit. \u003cspan class=\"citation-82 citation-end-82\"\u003eThis comprehensive rebuild set is designed to increase displacement, providing a significant boost in torque and acceleration for your scooter, ATV, or go-kart.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-81 citation-end-81\"\u003eSpecifically engineered for Non-EGR 139QMB\/139QMA engines, this kit includes everything from the cylinder head to the A7TC spark plug, ensuring a total top-end transformation for maximum reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis kit is a \u003cb data-path-to-node=\"11\" data-index-in-node=\"14\"\u003ePerformance Upgrade\u003c\/b\u003e for standard 50cc 4-stroke Chinese engines.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"12\"\u003e\n\u003cp data-path-to-node=\"12,0\"\u003e\u003cb data-path-to-node=\"12,0\" data-index-in-node=\"0\"\u003e⚠️ NOTE:\u003c\/b\u003e This is a \u003cb data-path-to-node=\"12,0\" data-index-in-node=\"19\"\u003eNon-EGR\u003c\/b\u003e cylinder head. Please check your original engine to ensure it does not require an EGR (Exhaust Gas Recirculation) port.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eGY6 50cc (139QMB)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003eUpgrades to \u003cb data-path-to-node=\"13,1,1,0\" data-index-in-node=\"12\"\u003e80cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,2,0\"\u003eNon-EGR Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eGY6 50cc (139QMA)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003eUpgrades to \u003cb data-path-to-node=\"13,2,1,0\" data-index-in-node=\"12\"\u003e80cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,2,0\"\u003e13mm Piston Pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eCompatible Vehicles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003eTaoTao, Wolf, Ice Bear, Bacci\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,2,0\"\u003eMost 4-Stroke Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eCylinder\/Piston Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e47mm \/ 1.85\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003eDia: 13mm (0.51\") \/ Length: 37mm (1.45\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eValves Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003eIntake: 20mm (0.78\") \/ Exhaust: 30mm (1.18\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eMounting Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e45mm (Intake) \/ 50mm (Exhaust)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eSpark Plug Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003eA7TC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003e4-Stroke (Non-EGR)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eInstant 80cc Displacement Boost:\u003c\/b\u003e Converts your regular 50cc engine into an 80cc performance motor, delivering noticeable improvements in climbing power and top speed.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eNon-EGR Optimized Design:\u003c\/b\u003e Features a high-hardness cylinder head without EGR ports, reducing air leakage risks and simplifying the installation for standard 139QMB platforms.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003ePremium Friction Reduction:\u003c\/b\u003e The precision-honed cylinder bore and 47mm piston are designed to minimize friction, ensuring a cooler-running engine and smoother power delivery.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eDurable \u0026amp; Corrosion Resistant:\u003c\/b\u003e Constructed from high-grade, rustproof alloys that withstand high thermal stress, providing a long service life even under frequent high-load operation.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eAll-in-One Rebuild Kit:\u003c\/b\u003e Comes complete with the cylinder head, piston assembly, rings, 13mm pin, gaskets, and spark plug—everything needed to replace your old or broken top-end.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473145647272,"sku":"Group-13","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-47mm-For-80cc-4-Stroke-139QMB-GY6-1.jpg?v=1770780381"},{"product_id":"goofit-52-4mm-engine-cylinder-big-bore-with-piston-kit-and-gaskets-replacement-for-lifan-125cc-lf125-horizontal-engines-dirt-pit-bike-atv","title":"52.4mm Iron Cylinder \u0026 Piston Rebuild Kit (14mm Pin) for Lifan 125cc LF125 Horizontal Engine Dirt Pit Bike ATV","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eRestore the legendary reliability of your Lifan motor with the GOOFIT Heavy-Duty Iron Cylinder Rebuild Kit. \u003cspan class=\"citation-202\"\u003eSpecifically engineered for the \u003c\/span\u003e\u003cb data-index-in-node=\"140\" data-path-to-node=\"9\"\u003e\u003cspan class=\"citation-202\"\u003eLifan 125cc LF125\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-202 citation-end-202\"\u003e horizontal engine, this kit features a high-strength cast-iron block for superior wear resistance.\u003csup data-turn-source-index=\"1\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Unlike universal 125cc kits, this set includes a \u003cb data-index-in-node=\"306\" data-path-to-node=\"9\"\u003e14mm flat-top piston\u003c\/b\u003e, providing a precision match for Lifan's unique specifications. It is the ultimate \"one-time solution\" for fixing low compression, oil burning, and power loss.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cblockquote data-path-to-node=\"12\"\u003e\n\u003cp data-path-to-node=\"12,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,0\"\u003e⚠️ CRITICAL FITMENT CHECK:\u003c\/b\u003e \u0026gt; * \u003cb data-index-in-node=\"31\" data-path-to-node=\"12,0\"\u003eONLY fits Lifan 125cc (LF125) horizontal engines.\u003c\/b\u003e \u0026gt; * \u003cb data-index-in-node=\"85\" data-path-to-node=\"12,0\"\u003eNOT compatible\u003c\/b\u003e with standard 110cc engines (which use 13mm pins) or other 125cc brands.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,1,0,0\"\u003ePlease verify your original piston pin is \u003cb data-index-in-node=\"42\" data-path-to-node=\"12,1,0,0\"\u003e14mm\u003c\/b\u003e before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eEngine Model\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,1,0\"\u003eLifan 125cc LF125\u003c\/b\u003e (Horizontal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,1,0\"\u003e52.4mm \/ 2.06\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003ePiston Pin (Wrist Pin)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,1,0\"\u003eOD: 14mm \/ 0.55\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003ePiston Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,1,0\"\u003eFlat Top\u003c\/b\u003e (Precision Forged)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003eCylinder Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,1,0\"\u003eHigh-Strength Cast Iron\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,6,0,0\"\u003eBolt Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003e50mm \/ 1.97\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,7,0,0\"\u003eKit Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,7,1,0\"\u003eIron Cylinder, Forged Piston, Rings, 14mm Pin, Clips, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cspan class=\"citation-201\"\u003e\u003c\/span\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003e\u003cspan class=\"citation-201\"\u003eHeavy-Duty Iron Construction:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-201 citation-end-201\"\u003e The cylinder block is crafted from high-density cast iron, offering exceptional durability and resistance to deformation under prolonged high-load and high-pressure operation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003ePrecision Forged Piston:\u003c\/b\u003e Features a high-temperature resistant forged piston that handles extreme combustion chamber heat better than standard cast alternatives.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eRestore Strong Power:\u003c\/b\u003e Designed to eliminate common issues like oil burning and pressure loss, helping your engine regain its original torque and smooth idling characteristics.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eLifan-Specific 14mm Fitment:\u003c\/b\u003e Tailor-made for the LF125's larger pin requirement, ensuring a perfect connection with the crankshaft without excess vibration or play.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eAll-In-One Solution:\u003c\/b\u003e Comes as a complete set including gaskets and hardware, eliminating the need for separate parts procurement and ensuring a faster, leak-free installation.\u003cspan class=\"citation-201 citation-end-201\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473147646120,"sku":"K075-054","price":90.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-52-4mm-For-Lifan-125cc-LF125-Horizon-0.jpg?v=1770780430"},{"product_id":"goofit-yx140-56mm-engine-cylinder-with-piston-gasket-replacement-for-140cc-150cc-1p56fmj-dirt-pit-bike-atv-quad","title":"56mm Engine Cylinder \u0026 Piston Rebuild Kit for YX140 1P56FMJ 140cc 150cc Dirt Pit Bike ATV","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eUnlock the raw power of your YX engine with the GOOFIT 56mm Cylinder Rebuild Kit. Engineered specifically for the \u003cb data-index-in-node=\"114\" data-path-to-node=\"8\"\u003eYX140 (1P56FMJ)\u003c\/b\u003e and compatible \u003cb data-index-in-node=\"145\" data-path-to-node=\"8\"\u003e150cc\u003c\/b\u003e oil-cooled horizontal engines, this kit is designed to restore lost compression and maximize torque. With an optimized combustion chamber profile and high-temperature stable materials, it delivers a significant boost in throttle response and overall mechanical reliability for your pit bike or quad.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis 56mm kit is a high-performance replacement for \u003cb data-index-in-node=\"52\" data-path-to-node=\"11\"\u003eYX (YinXiang)\u003c\/b\u003e style horizontal engines.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eYX140 \/ 1P56FMJ\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e140cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eDirt Bikes, Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003eCompatible Horizontal\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e150cc Variants\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eATVs, Quads, Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003ePiston Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e56mm Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eHigh-Compression Ready\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eCylinder Inner Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e56mm \/ 2.2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003eEngine Code\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003eYX140 \/ 1P56FMJ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e4-Stroke Oil-Cooled \/ Air-Cooled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e140cc - 150cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eCylinder, Piston, Rings, Pin, Clips, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003eYX140 Precision Fit:\u003c\/b\u003e Tailor-made for the 1P56FMJ engine series, ensuring perfect oil passage alignment and deck height for optimal valve-to-piston clearance.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003eEnhanced Compression Ratio:\u003c\/b\u003e Featuring an optimized piston and combustion chamber design that improves thermal efficiency, resulting in more explosive power and a smoother RPM curve.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eSuperior Thermal Stability:\u003c\/b\u003e Constructed from advanced alloys with excellent corrosion resistance, this kit maintains structural integrity even under the high-stress conditions of off-road racing.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eRigorous Quality Testing:\u003c\/b\u003e Every cylinder undergoes strict dimensional inspection and leak testing to ensure \"out-of-the-box\" reliability and consistent performance.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eOptimized Scavenging:\u003c\/b\u003e The precision-honed cylinder walls facilitate superior oil film retention and piston ring sealing, reducing blow-by and extending engine life.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473150628008,"sku":"K074-301","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-56mm-For-140cc-150cc-1P56FMJ-YX140-En-0.jpg?v=1770780495"},{"product_id":"goofit-52-4mm-engine-aluminum-cylinder-big-bore-with-piston-kit-and-gaskets-replacement-for-lifan-125cc-lf125-horizontal-engines-dirt-pit-bike-atv","title":"52.4mm Aluminum Cylinder \u0026 Piston Kit for Lifan 125cc LF125 Horizontal Engine (14mm Pin)","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the legendary power of your Lifan engine with the GOOFIT 52.4mm Premium Aluminum Cylinder Rebuild Kit. Specifically engineered for the \u003cb data-index-in-node=\"143\" data-path-to-node=\"8\"\u003eLifan 125cc LF125\u003c\/b\u003e horizontal engine series, this kit is not a universal 125cc part—it is a precision-match component. Featuring a lightweight aluminum cylinder for superior cooling and a 14mm flat-top piston with a wear-resistant coating, this kit ensures your pit bike or ATV maintains peak performance under the most demanding conditions.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cblockquote data-path-to-node=\"11\"\u003e\n\u003cp data-path-to-node=\"11,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11,0\"\u003e⚠️ CRITICAL FITMENT NOTE:\u003c\/b\u003e \u0026gt; * \u003cb data-index-in-node=\"30\" data-path-to-node=\"11,0\"\u003eONLY compatible with Lifan 125cc (LF125) engines.\u003c\/b\u003e \u0026gt; * \u003cb data-index-in-node=\"84\" data-path-to-node=\"11,0\"\u003eNOT compatible\u003c\/b\u003e with other brands of 125cc engines (Zongshen, Loncin, etc.).\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11,1,0,0\"\u003e14mm PIN:\u003c\/b\u003e Verify your piston pin diameter is exactly 14mm before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ctable style=\"width: 99.9589%; height: 78.3332px;\" data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 28.8324%; height: 19.5833px;\"\u003e\u003cstrong\u003eEngine Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.4186%; height: 19.5833px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.3364%; height: 19.5833px;\"\u003e\u003cstrong\u003eFitment Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 28.8324%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eLifan\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.4186%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e125cc LF125\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.3364%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,2,0\"\u003ePerfect Fit\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 28.8324%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003eOther Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.4186%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eGeneric 125cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.3364%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,2,0\"\u003eNot Compatible\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 28.8324%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003ePiston Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.4186%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e52.4mm Flat Top\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.3364%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,2,0\"\u003eCheck Original\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e52.4mm \/ 2.06\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003ePiston Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,1,0\"\u003e14mm \/ 0.55\" (Special Size)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003eBolt Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e50mm \/ 1.97\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003ePiston Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003eFlat Top\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003ePremium Aluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,6,0,0\"\u003eEngine Layout\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003eHorizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003eLifan-Specific Engineering:\u003c\/b\u003e Tailor-made for the LF125 series to ensure perfect port alignment and compression ratios, eliminating the performance issues of \"universal\" kits.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003ePremium Aluminum Construction:\u003c\/b\u003e Crafted from high-grade aluminum alloy which provides significant weight reduction and vastly superior heat dissipation compared to traditional cast-iron cylinders.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eWear-Resistant Coated Piston:\u003c\/b\u003e The included flat-top piston features a specialized anti-friction coating, allowing it to withstand extreme temperatures and prolonging the engine's service life.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eStable High-Load Performance:\u003c\/b\u003e The precision-honed cylinder walls and perfectly matched rings provide an exceptional seal, ensuring reliable power delivery during high-speed off-road riding.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eComplete Top-End Gaskets:\u003c\/b\u003e Includes all necessary gaskets to ensure a leak-proof rebuild, allowing for a professional-grade installation right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473151447208,"sku":"K075-055","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-52-4mm-For-Lifan-125cc-LF125-Horizont-0.jpg?v=1770780522"},{"product_id":"goofit-completed-cylinder-head-replacement-for-4-stroke-chinese-taotao-coolster-110cc-engine-atv-pit-quad-go-kart-dirt-bike","title":"52.4mm Completed Cylinder Head Assembly for 4-Stroke 110cc TaoTao Coolster ATV Dirt Bike","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore your 110cc engine's compression with the GOOFIT Professional Completed Cylinder Head. Designed as a direct bolt-on replacement for standard Chinese 110cc horizontal engines, this assembly comes fully equipped with pre-installed valves and a 28-teeth timing sprocket. Engineered for high heat dissipation and long-term durability, it’s the ideal choice for TaoTao and Coolster owners looking for a hassle-free engine repair.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eDesigned for:\u003c\/b\u003e Standard 4-Stroke 110cc Horizontal Engines (TaoTao, Coolster, etc.)\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"12\"\u003e\n\u003cp data-path-to-node=\"12,0\"\u003e\u003cb data-path-to-node=\"12,0\" data-index-in-node=\"0\"\u003e⚠️ IMPORTANT - PLEASE READ:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eDO NOT USE FOR:\u003c\/b\u003e 125cc Cylinder Heads (which use 23mm\/28mm valves).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,1,0\"\u003e\u003cb data-path-to-node=\"12,1,1,0\" data-index-in-node=\"0\"\u003eNOT COMPATIBLE WITH:\u003c\/b\u003e SSR 110, Lifan 110cc\/125cc, 90cc Baja ATV, Raptor 80cc, or Predator 212 engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,2,0\"\u003e\u003cb data-path-to-node=\"12,1,2,0\" data-index-in-node=\"0\"\u003eVERIFY SPROCKET:\u003c\/b\u003e This kit includes a \u003cb data-path-to-node=\"12,1,2,0\" data-index-in-node=\"37\"\u003e28-teeth\u003c\/b\u003e timing sprocket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Inner Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e52.4mm \/ 2.06\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eIntake Valve\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003eDia: 23mm (0.9\") \/ Mounting: 45mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eExhaust Valve\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eDia: 20mm (0.78\") \/ Mounting: 45mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eValve Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e66mm \/ 2.59\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eTiming Sprocket\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003e28 Teeth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003eIncluded Spark Plug\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003eA7TC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul data-path-to-node=\"18\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eFully Assembled \"Ready-to-Ride\":\u003c\/b\u003e Comes complete with intake and exhaust valves, springs, and seals pre-installed, allowing you to skip the complicated valve assembly process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003e\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003ePrecision 28T Timing:\u003c\/b\u003e Features a high-strength 28-teeth drive sprocket for perfect timing synchronization with your 110cc crankshaft.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,2,0\"\u003e\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eSuperior Heat Management:\u003c\/b\u003e The casting is optimized with a high-efficiency heat sink structure to maintain ideal working temperatures even under heavy trail use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,3,0\"\u003e\u003cspan class=\"citation-124\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-124\"\u003eRugged Construction:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-124 citation-end-124\"\u003e Made from premium rustproof alloys with high toughness and corrosion resistance, ensuring consistent performance in all weather conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-124 citation-end-124\"\u003e\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eOptimized Combustion Chamber:\u003c\/b\u003e\u003cspan class=\"citation-123 citation-end-123\"\u003e Engineered for 52.4mm bore engines to provide maximum explosive force, pushing the piston with peak efficiency.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473158164648,"sku":"Group-21","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-52-4mm-For-4-Stroke-TaoTao-Coolster-1.jpg?v=1770780667"},{"product_id":"goofit-cylinder-kit-with-10mm-piston-replacement-for-jog-zuma-vino-2-stroke-50cc-scooter-minarelli-1e40qmb-engine","title":"40mm Cylinder Rebuild Kit with 10mm Piston for Jog 50 Zuma Vino 1E40QMB 2-Stroke Scooter","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the legendary performance of your Minarelli-style engine with the GOOFIT 40mm Cylinder Rebuild Kit. Specially designed for 2-stroke 50cc Jog, Zuma, and Vino scooters, this kit is the ultimate solution for engine overhauls. Featuring a high-quality 10mm wrist pin piston, it offers superior heat dissipation and durability, ensuring your scooter runs smoother, cooler, and longer.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis kit is exclusively designed for the \u003cb data-path-to-node=\"11\" data-index-in-node=\"41\"\u003e2-Stroke 50cc 1E40QMB (Minarelli clone)\u003c\/b\u003e engine.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"12\"\u003e\n\u003cp data-path-to-node=\"12,0\"\u003e\u003cb data-path-to-node=\"12,0\" data-index-in-node=\"0\"\u003e⚠️ IMPORTANT:\u003c\/b\u003e This kit uses a \u003cb data-path-to-node=\"12,0\" data-index-in-node=\"30\"\u003e10mm wrist pin\u003c\/b\u003e. Please verify your original pin size before ordering, as it will not fit 12mm versions.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote data-path-to-node=\"12\"\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eYamaha Scooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003eJog 50, Zuma 50, Vino 50\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,2,0\"\u003eGenuine Yamaha \u0026amp; Clones\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eEuropean Scooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003eMinarelli Horizontal\/Vertical\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,2,0\"\u003eAdly, Aprilia, Malaguti (Select models)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eChinese Scooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e1E40QMB \/ 1PE40QMB\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,2,0\"\u003eTaoTao, Keeway, Bacci, Vento\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e2-Stroke (1E40QMB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e40mm \/ 1.57\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eWrist Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e10mm \/ 0.39\" (Standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e50cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003eWear-Resistant Cast Iron\/Aluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eCylinder, Piston, Rings, 10mm Pin, Clips\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003ePrecision 1E40QMB Fitment:\u003c\/b\u003e A direct replacement for the standard 2-stroke 50cc Jog engine and its numerous clones, ensuring perfect port timing and compression.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003e10mm Wrist Pin Design:\u003c\/b\u003e Optimized for the standard 10mm configuration, providing a precise fit that reduces engine noise and vibrations.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eAdvanced Heat Dissipation:\u003c\/b\u003e Engineered with high-quality alloys that improve thermal conductivity, preventing overheating and extending the life of your engine seals.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eSuperior Durability:\u003c\/b\u003e The cylinder block and forged piston are built to withstand the extreme pressures of 2-stroke operation, significantly reducing the risk of \"piston seizure.\"\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eEnhanced Fuel Efficiency:\u003c\/b\u003e Improved cylinder wall finish and ring sealing lead to more efficient combustion, resulting in better fuel economy and consistent power output.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473162784936,"sku":"P038-407","price":70.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-40mm-For-2-Stroke-Jog-50cc-Scooter-1.jpg?v=1770780756"},{"product_id":"goofit-47mm-completed-cylinder-head-for-4-stroke-70cc-engine-for-atv-go-kart-dirt-bike","title":"47mm Completed Cylinder Head Assembly for 4-Stroke 70cc Engine ATV Go Kart Dirt Bike","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eGet your vehicle back on the trail quickly with the GOOFIT 47mm Completed Cylinder Head. \u003cspan class=\"citation-68 citation-end-68\"\u003eThis is a comprehensive, standard-sized replacement kit designed for most Chinese-made 4-stroke 70cc horizontal engines.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Featuring pre-installed intake and exhaust valves, this \"replace and ride\" assembly eliminates the hassle of complex top-end rebuilds, ensuring a perfect seal and restored engine compression.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA universal replacement for 4-stroke 70cc engines found in a wide variety of power sports vehicles.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eATVs \/ Quads\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e70cc Youth ATVs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eFits TaoTao, Coolster, Buyang\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eDirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e70cc Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eHorizontal Engine Models\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eGo Karts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e70cc Buggies \u0026amp; Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eStandard Bolt Pattern\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eMini Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e70cc 4-Stroke Trail Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eDirect Bolt-on Fit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e47mm \/ 1.85\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eIntake Valve Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e45mm \/ 1.77\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eExhaust Valve Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e44mm \/ 1.73\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e4-Stroke Horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003e70cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003eAssembly Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003e\u003cb data-path-to-node=\"15,6,1,0\" data-index-in-node=\"0\"\u003eCompleted (Valves Pre-installed)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003e\"Replace and Ride\" Simplicity:\u003c\/b\u003e\u003cspan class=\"citation-67 citation-end-67\"\u003e This complete assembly replaces your existing worn-out cylinder head, allowing for a fast and straightforward installation without the need for specialized valve-spring tools.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eStandard-Sized Precision:\u003c\/b\u003e Precision-engineered to 47mm bore specifications, ensuring perfect compatibility with standard 70cc pistons and gaskets.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cspan class=\"citation-66\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-66\"\u003ePre-Installed Valve Train:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-66 citation-end-66\"\u003e Comes fully equipped with 45mm intake and 44mm exhaust valves, precision-seated to provide maximum compression and prevent power loss.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eHigh-Grade Material:\u003c\/b\u003e Manufactured from premium aluminum alloy for excellent thermal conductivity, keeping your 4-stroke engine running cool under heavy loads.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cspan class=\"citation-65\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-65\"\u003eBroad Compatibility:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-65 citation-end-65\"\u003e Designed to fit the vast majority of Chinese 70cc engines, making it the ideal choice for TaoTao, Coolster, Roketa, and more.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-67 citation-end-67\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473163997352,"sku":"R052-002","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-47mm-For-4-Stroke-70cc-Engine-ATV-Go-0.jpg?v=1770780780"},{"product_id":"cylinder-kits-44mm-with-carburetor-for-47cc-49cc-2-stroke-engine","title":"44mm Big Bore Cylinder Kit with 19mm Carburetor \u0026 Ignition Coil for 2-Stroke 47cc 49cc Pocket Bike (54cc Upgrade)","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eTake your mini bike’s performance and style to the next level with the GOOFIT \u003cb data-path-to-node=\"8\" data-index-in-node=\"78\"\u003eGold Series\u003c\/b\u003e Big Bore Upgrade Kit. This \"Stage 3\" performance bundle transforms your standard 47cc\/49cc 2-stroke engine into a high-torque \u003cb data-path-to-node=\"8\" data-index-in-node=\"216\"\u003e53cc\/54cc\u003c\/b\u003e powerhouse. Featuring a striking gold anodized finish on the air filter and high-quality components throughout, this kit optimizes your intake, combustion, and ignition systems simultaneously for maximum speed and acceleration.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA complete performance overhaul for standard \u003cb data-path-to-node=\"11\" data-index-in-node=\"45\"\u003e2-stroke air-cooled mini engines\u003c\/b\u003e.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003ePocket Bikes \/ Rocket\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e44mm Bore \/ 12mm Pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eMini Quads \/ ATV\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eKids 49cc Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003ePerformance Ignition Set\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eMini Dirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e49cc Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003e19mm Carb Upgrade\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eMini Motorcycles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003eVarious 2-Stroke Clones\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eGold Modified Style\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e44mm (Upgrades engine to 53cc\/54cc)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e12mm \/ 0.47\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eCarburetor Intake\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e19mm High-Flow\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eAir Filter Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e58mm (Gold Racing Style)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eSpark Plug\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003ePerformance A7TC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003eColor Theme\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003e\u003cb data-path-to-node=\"15,6,1,0\" data-index-in-node=\"0\"\u003eLuxury Gold\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cspan class=\"citation-156\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-156\"\u003eThe Ultimate 54cc Power Boost:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-156 citation-end-156\"\u003e Replaces your stock top-end with a 44mm big bore cylinder, significantly increasing displacement for massive gains in torque and top speed.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eGold Modified Aesthetic:\u003c\/b\u003e Stand out from the crowd with a premium gold-themed air filter and components that give your pocket bike a professional racing look.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eOptimized Intake System:\u003c\/b\u003e Includes a 19mm large-diameter carburetor and a 58mm high-flow air filter to provide a richer air-fuel mixture for aggressive acceleration.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eHigh-Output Ignition System:\u003c\/b\u003e Paired with a racing ignition coil and A7TC spark plug to ensure a stronger spark and more complete combustion even at high RPMs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cspan class=\"citation-155\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-155\"\u003eCorrosion \u0026amp; Wear Resistant:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-155 citation-end-155\"\u003e Manufactured from preferred high-grade alloys with fine precision machining, ensuring long-term durability and resistance to harsh riding conditions.\u003c\/span\u003e\u003cspan class=\"citation-156 citation-end-156\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473166979240,"sku":"Group-118","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-44mm-With-Carburetor-For-47cc-49cc-2.jpg?v=1770780840"},{"product_id":"goofit-modified-blue-6-teeth-carburetor-air-filter-assembly-with-44mm-big-bore-cylinder-ignition-coil-replacement-for-2-stroke-47cc-49cc-atv-quad-dirt-pocket-bike-mini-motorcycle","title":"44mm Big Bore Cylinder Kit with Blue Carburetor \u0026 Air Filter for 2-Stroke 47cc 49cc ATV Pocket Bike","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eTransform your mini motorcycle into a high-performance machine with this GOOFIT All-in-One Power Upgrade Kit. This modified blue series bundle includes a 44mm big bore cylinder, a high-flow 19mm carburetor, and a premium air filter. By optimizing fuel intake, compression, and ignition simultaneously, this kit is designed to significantly increase horsepower, top speed, and engine responsiveness.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eThis modified performance set is a universal upgrade for Chinese 2-stroke small engines.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKey Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003ePocket Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,2,0\"\u003e44mm Bore \/ 19mm Carb\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eDirt Bikes \/ Pit Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003eMini 2-Stroke Motors\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,2,0\"\u003ePerformance Ignition Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eATV \/ Quad\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e49cc Kids 4-Wheelers\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,2,0\"\u003eBlue Modified Air Filter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,0,0\"\u003e\u003cb data-path-to-node=\"13,4,0,0\" data-index-in-node=\"0\"\u003eMini Motorcycles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,1,0\"\u003eVarious 2-Stroke Clones\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,2,0\"\u003eFull Top-End \u0026amp; Intake Overhaul\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e44mm \/ 1.73\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eCarburetor Intake\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e19mm \/ 0.74\" (High Flow)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eAir Filter Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e58mm \/ 2.28\" (Blue Racing Style)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eSpark Plug\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003eA7TC Performance Plug\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003e2-Stroke (47cc \/ 49cc)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eColor Theme\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eModified Blue\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eComplete Power Overhaul:\u003c\/b\u003e A comprehensive 4-in-1 kit that upgrades your cylinder, intake system, and ignition system at once for maximum performance gains.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eModified Racing Carburetor:\u003c\/b\u003e Features a 19mm high-flow carburetor paired with a blue 6-teeth air filter to provide a richer air-fuel mixture for superior acceleration.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eBig Bore Horsepower Boost:\u003c\/b\u003e\u003cspan class=\"citation-53 citation-end-53\"\u003e The 44mm cylinder expands your displacement, delivering a massive increase in torque and top-end speed compared to stock parts.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eOptimized Ignition System:\u003c\/b\u003e Includes a high-output ignition coil and A7TC spark plug to ensure a stronger, more consistent spark even at high RPMs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eHeavy-Duty \u0026amp; Stylish:\u003c\/b\u003e Not only does it keep your bike running at peak performance, but the striking blue anodized air filter also gives your mini bike a professional racing look.\u003cspan class=\"citation-53 citation-end-53\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473167536296,"sku":"Group-165","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-44mm-With-Carburetor-For-2-Stroke-47c-0.jpg?v=1770780851"},{"product_id":"goofit-52-4mm-engine-parts-cylinder-big-bore-kits-with-gaskets-and-piston-set-for-4-stroke-chinese-taotao-coolster-atv-110cc-pit-quad-dirt-bike-go-kart-cylinder-with-piston-ring-kit","title":"52.4mm Engine Cylinder \u0026 Piston Rebuild Kit (13mm Pin) for 4-Stroke 110cc TaoTao SSR Coolster ATV Dirt Bike","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cspan class=\"citation-191\"\u003eRevitalize your engine's power with the GOOFIT 52.4mm Cylinder Rebuild Kit, specifically designed for the \u003c\/span\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"106\"\u003e\u003cspan class=\"citation-191\"\u003e4-stroke 110cc Chinese horizontal engine\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-191 citation-end-191\"\u003e platform.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Whether you're maintaining a TaoTao ATV or an SSR pit bike, this kit provides a precision-matched top-end solution. With high-quality materials for superior heat dissipation and an optimized piston design, this kit ensures swifter acceleration and more precise throttle control for both trail and track riding.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eA versatile replacement for most \u003cb data-path-to-node=\"12\" data-index-in-node=\"33\"\u003eChinese-made 4-stroke 110cc Horizontal Engines\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cspan class=\"citation-190\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-190\"\u003ePopular Models:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-190 citation-end-190\"\u003e TaoTao 110, SSR 110, Coolster 110, Kazuma Falcon 110, Redcat 110, Roketa 110.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eOther Brands:\u003c\/b\u003e Sunl, BMS, Panda 100, Lacoste 110, Coyote 110, and more.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eVehicle Types:\u003c\/b\u003e ATVs, Quads, Go Karts, Dirt Bikes, and Pit Bikes.\u003cspan class=\"citation-190 citation-end-190\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e4-Stroke Horizontal 110cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e\u003cb data-path-to-node=\"16,2,1,0\" data-index-in-node=\"0\"\u003e52.4mm \/ 2.06\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003ePiston Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e52mm \/ 2.05\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003ePiston Pin (Wrist Pin)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e\u003cb data-path-to-node=\"16,4,1,0\" data-index-in-node=\"0\"\u003eOD: 13mm \/ 0.51\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eBolt Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003e\u003cb data-path-to-node=\"16,5,1,0\" data-index-in-node=\"0\"\u003e48mm x 50mm (1.89\" x 1.97\")\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003eHigh-Grade Alloy with Anti-Wear Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,0,0\"\u003e\u003cb data-path-to-node=\"16,7,0,0\" data-index-in-node=\"0\"\u003eInstallation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,1,0\"\u003eDirect Bolt-On Design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,8,0,0\"\u003e\u003cb data-path-to-node=\"16,8,0,0\" data-index-in-node=\"0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,8,1,0\"\u003eCylinder, Piston, Rings, 13mm Pin, Clips, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cspan class=\"citation-189\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-189\"\u003eOptimized Acceleration:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-189 citation-end-189\"\u003e The large bore design significantly boosts the engine's responsiveness, providing swifter starts and improved torque for demanding off-road conditions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003ePremium Thermal Management:\u003c\/b\u003e Crafted from high-quality materials with excellent heat dissipation characteristics, preventing engine \"seizure\" during intensive high-load use.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003ePrecision Engineering:\u003c\/b\u003e Every component is meticulously machined to ensure dimensional accuracy and a superior surface finish, which reduces friction and drastically lowers the failure rate.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eDirect \"DIY\" Installation:\u003c\/b\u003e Engineered for a quick and simple installation process, allowing users to complete the top-end rebuild themselves, saving on mechanic costs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eEnhanced Driving Pleasure:\u003c\/b\u003e The refined piston-to-cylinder clearance offers more precise throttle control, making your vehicle feel tighter and more responsive on any terrain.\u003cspan class=\"citation-189 citation-end-189\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473175761064,"sku":"E093-006","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-52-4mm-for-4-Stroke-Chinese-TaoTao-C-0.jpg?v=1770780998"},{"product_id":"goofit-47mm-cylinder-head-assembly-for-4-stroke-70cc-atv-go-kart-scooter-dirt-bike","title":"47mm Cylinder Head Assembly for 4-Stroke 70cc ATV Go Kart Scooter Dirt Bike","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eMaintain peak engine performance with the GOOFIT 47mm Cylinder Head Assembly. Precision-engineered for 4-stroke 70cc engines, this head features an advanced heat-sink design to prevent overheating during long-distance rides or high-load operations. Whether you're navigating tough trails on a dirt bike or cruising in a go-kart, this high-strength casting ensures long-term reliability and stable power delivery.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cspan class=\"citation-58 citation-end-58\"\u003eThis 47mm cylinder head is a standard replacement for many Chinese-manufactured 4-stroke 70cc horizontal engines\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eATVs \/ Quads\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e70cc Kids ATVs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e47mm Bore \/ 4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eGo Karts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e70cc Buggies \u0026amp; Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eHigh-Efficiency Cooling\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eDirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e70cc Pit Bikes \/ Trail Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003e50mm \u0026amp; 67mm Bolt Pattern\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eScooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e70cc 4-Stroke Gas Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eDirect Bolt-on Fit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e47mm \/ 1.85\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eMounting Hole Spacing A\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e50mm \/ 1.97\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eMounting Hole Spacing B\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e67mm \/ 2.64\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eHigh-Strength Lightweight Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003e70cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eAdvanced Heat-Sink Structure:\u003c\/b\u003e Specifically designed with an increased surface area for superior heat dissipation, protecting your engine from overheating even during prolonged high-load usage.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cspan class=\"citation-57\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-57\"\u003ePremium Lightweight Casting:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-57 citation-end-57\"\u003e Manufactured from high-quality, corrosion-resistant alloys that balance light weight with exceptional structural strength for maximum durability.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eStable Power Delivery:\u003c\/b\u003e Precision-machined combustion chamber ensures optimal gas flow and compression, maintaining consistent engine performance across all terrains.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eStrict Quality Control:\u003c\/b\u003e Every unit undergoes rigorous testing to guarantee stability and reliability, significantly reducing the risk of component failure in the long run.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003ePerfect Fitment Design:\u003c\/b\u003e Features standard 50mm and 67mm mounting hole spacing for a straightforward installation process on most 70cc 4-stroke platforms.\u003cspan class=\"citation-57 citation-end-57\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473184477352,"sku":"R052-001","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/71inRqH3c_L._AC_SL1500.jpg?v=1770781185"},{"product_id":"goofit-52-4mm-engine-cylinder-piston-pin-ring-kit-for-110cc-buggy-quad-dirt-bike-atv-go-kart-motorcycle","title":"52.4mm Engine Cylinder \u0026 Piston Rebuild Kit for 4-Stroke 110cc ATV Dirt Bike Go Kart","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the engine compression and reliability of your 110cc machine with the GOOFIT Professional Cylinder Rebuild Kit. \u003cspan class=\"citation-172 citation-end-172\"\u003eThis standard 52.4mm kit is a direct replacement for most Chinese 4-stroke horizontal engines.\u003csup data-turn-source-index=\"1\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Featuring a precision-machined cylinder block and a high-strength lightweight piston, this set is designed to optimize combustion, reduce oil consumption, and withstand the extreme heat of off-road riding.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eFits the vast majority of \u003cb data-index-in-node=\"26\" data-path-to-node=\"12\"\u003eChinese-made 110cc Horizontal Engines\u003c\/b\u003e.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"13\"\u003e\n\u003cp data-path-to-node=\"13,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,0\"\u003e⚠️ CRITICAL FITMENT NOTICE:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,1,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,1,0,0\"\u003eDO NOT USE FOR:\u003c\/b\u003e Honda 110 series, 2016 Polaris models, or specialized Japanese\/American platforms.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,1,1,0\"\u003ePERFECT FIT FOR:\u003c\/b\u003e TaoTao, Buyang, Coolsport, Kazuma, Sunl, Redcat, Eagle, and other standard 110cc Chinese brands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details \u0026amp; Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,1,0,0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e4-Stroke Horizontal 110cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,2,0,0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,2,1,0\"\u003e52.4mm \/ 2.06\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,3,0,0\"\u003eBolt Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,3,1,0\"\u003e48mm x 50mm (1.89\" x 1.97\")\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,4,0,0\"\u003eBolt Hole Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003e8mm \/ 0.31\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,5,0,0\"\u003eCylinder Block\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003ePrecision Machined Cast Iron\/Alloy for durability\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,6,0,0\"\u003ePiston Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003ePremium Cast Aluminum Alloy (High Heat Dissipation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,7,0,0\"\u003ePiston Rings\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,1,0\"\u003eWear-resistant sealing alloy to prevent oil blow-by\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,8,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,8,0,0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,8,1,0\"\u003eCylinder Block, Piston, Rings, Piston Pin, Clips, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,0,0\"\u003ePrecision Combustion Design:\u003c\/b\u003e The internal cylinder wall is precision-machined to optimize the combustion chamber shape, ensuring fuel burns fully to increase power output.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,1,0\"\u003eAdvanced Thermal Management:\u003c\/b\u003e The lightweight aluminum alloy piston effectively resists high-pressure and high-temperature environments, preventing engine seizure during long rides.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,2,0\"\u003eSuperior Sealing Performance:\u003c\/b\u003e Equipped with industrial-grade piston rings that enhance the cylinder seal, significantly reducing oil consumption and enhancing overall engine life.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,3,0\"\u003eBalanced Durability:\u003c\/b\u003e The piston pin is engineered with a focus on both toughness and surface hardness, ensuring stable operation and reduced vibration at high RPMs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,4,0\"\u003eEco-Friendly Efficiency:\u003c\/b\u003e Optimized seals and improved fuel-burn help your vehicle maintain better fuel economy and reduced environmental impact.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473200369832,"sku":"E093-003","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kits-52-4mm-For-110cc-4-Stroke-Engine-ATV-0.jpg?v=1770781467"},{"product_id":"goofit-47mm-cylinder-piston-kit-for-70cc-atc70-crf70-ct70-trx70-xr70-139qmb-engine-atv-scooter-moped-go-kart","title":"47mm Cylinder Piston Kit (13mm Pin) for 4-Stroke 70cc CRF70 TRX70 ATC70 139QMB Engine","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the compression and smooth operation of your 70cc engine with the GOOFIT 47mm Cylinder Piston Rebuild Kit. Specifically engineered for the legendary 70cc horizontal engine platform (CRF70, TRX70, CT70) and 139QMB variants, this complete top-end kit provides everything you need for a total overhaul. Crafted from premium heat-resistant materials, it ensures long-lasting reliability for your ATV, scooter, or dirt bike.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cspan class=\"citation-75\"\u003eThis kit is a standard replacement for \u003c\/span\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"39\"\u003e\u003cspan class=\"citation-75\"\u003e4-stroke 70cc horizontal engines\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-75\"\u003e with a \u003c\/span\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"79\"\u003e\u003cspan class=\"citation-75\"\u003e13mm piston pin\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-75 citation-end-75\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eHonda Classics\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eATC70, CRF70, CT70, TRX70, XR70\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eGenuine Honda \u0026amp; Clones\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eChinese ATVs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e70cc Youth Quads\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eTaoTao, Buyang, Coolster\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eScooters\/Mopeds\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e70cc 139QMB 4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eMost Chinese Gas Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eGo Karts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e70cc Off-road Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eStandard Horizontal Layout\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eSpecifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv class=\"table-block has-export-button\"\u003e\n\u003cdiv class=\"table-content not-end-of-paragraph\" data-hveid=\"0\" data-ved=\"0CAAQ3ecQahgKEwjJzuHZkrySAxUAAAAAHQAAAAAQ1wQ\"\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Inner Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e47mm \/ 1.85\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Outer Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e\u003cb data-path-to-node=\"15,2,1,0\" data-index-in-node=\"0\"\u003e13mm \/ 0.51\" (Critical Size)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eCylinder Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e50mm \u0026amp; 45mm (1.96\" \u0026amp; 1.77\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e4-Stroke Horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eCylinder, Piston, Rings, 13mm Pin, Clips, Gaskets, Valve Seals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eComprehensive Top-End Solution:\u003c\/b\u003e Includes all essential components—cylinder, piston, rings, and even valve seals—to ensure a leak-proof and high-compression engine rebuild.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003e13mm Precision Piston Pin:\u003c\/b\u003e Specifically sized at 13mm to match the heavy-duty demands of 70cc horizontal powerplants, reducing vibrations and mechanical wear.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003ePremium Thermal Resistance:\u003c\/b\u003e Constructed from high-grade alloys designed to withstand extreme pressure and temperatures, extending the service life of your engine.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eOptimized Oil Retention:\u003c\/b\u003e The cylinder walls and piston rings are engineered for superior oil film retention, preventing friction-related damage and improving fuel efficiency.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eStandard Bolt-on Fitment:\u003c\/b\u003e Features precise 50mm and 45mm hole spacing, making it a direct replacement for most Chinese 70cc engines without any modifications required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473208365224,"sku":"E093-004","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-47mm-For-70cc-ATC70-CRF70-CT70-TRX70-0.jpg?v=1770781617"},{"product_id":"goofit-57-4mm-cylinder-head-with-gasket-for-4-stroke-gy6-150cc-atv-scooter-157qmj-engine-part","title":"57.4mm Cylinder Head Assembly with Gaskets \u0026 Spark Plug for 4-Stroke GY6 150cc 152QMI 157QMJ Engine","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the compression and sealing of your scooter’s engine with the GOOFIT 57.4mm Cylinder Head Kit. \u003cspan class=\"citation-140 citation-end-140\"\u003eEngineered for the high-demand environments of 4-stroke GY6 150cc motors, this assembly is a universal solution for Chinese-made ATVs, mopeds, and go-karts.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-139 citation-end-139\"\u003eBy optimizing combustion chamber sealing, this kit not only boosts power output but also improves fuel efficiency, ensuring your vehicle runs smoother and longer with a \"ready-to-install\" comprehensive package.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis 57.4mm head is a direct replacement for the \u003cb data-path-to-node=\"11\" data-index-in-node=\"49\"\u003eGY6 150cc\/125cc (Big Bore)\u003c\/b\u003e horizontal engine platform.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eGY6 150cc Series\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e157QMJ \/ 157QMI\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eScooters, ATVs, Go-Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eGY6 125cc Series\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e152QMI \/ 152QMJ\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eMopeds, Quads\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eCompatible Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eTaoTao, Peace Sports, Ice Bear, Wolf\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eMost Chinese Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e57.4mm \/ 2.26\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e4-Stroke GY6 Horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eCylinder Head, Head Gasket, Base Gasket, Spark Plug\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003eHigh-Grade Aluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eApplication\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003e150cc (Standard) \u0026amp; 125cc (Big Bore Upgrade)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eUniversal GY6 Compatibility:\u003c\/b\u003e Expertly designed to fit a wide range of GY6 150cc engines (157QMJ\/157QMI) and 125cc models (152QMI\/152QMJ), making it a versatile repair part.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eEnhanced Combustion Sealing:\u003c\/b\u003e\u003cspan class=\"citation-138 citation-end-138\"\u003e High-quality cylinder head and precision gaskets work together to eliminate leaks, optimizing compression for noticeably improved power and fuel economy.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eIndustrial-Grade Durability:\u003c\/b\u003e Manufactured from premium materials to withstand the intense heat and friction of daily commuting and off-road riding, ensuring a long service life.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cspan class=\"citation-137\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-137\"\u003eComplete \"One-Click\" Solution:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-137 citation-end-137\"\u003e This kit includes the cylinder head, essential gaskets, and a fresh spark plug, providing everything you need for a professional-grade top-end overhaul.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-138 citation-end-138\"\u003e\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eMeticulous Precision Design:\u003c\/b\u003e Every component is engineered to meet or exceed OEM standards, simplifying the installation process and ensuring a perfect bolt-on fit.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473211314344,"sku":"K074-030","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/71YUjQLD4AL._AC_SL1500.jpg?v=1770781670"},{"product_id":"goofit-47mm-big-bore-cylinder-head-valves-with-gaskets-replacement-for-gy6-80cc-atv-go-kart-quad-scooter","title":"47mm Big Bore Cylinder Head with Valves \u0026 Gaskets for 4-Stroke GY6 80cc 139QMB 139QMA Engine (Non-EGR)","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore your scooter's compression and power with the GOOFIT 47mm Big Bore Cylinder Head. \u003cspan class=\"citation-96 citation-end-96\"\u003eThis high-toughness replacement head is specifically designed for upgraded 80cc GY6 4-stroke engines (139QMB\/139QMA).\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Featuring pre-installed 20mm intake and 30mm exhaust valves, this Non-EGR assembly is built to withstand high temperatures while reducing friction and air leakage, ensuring your engine runs at peak efficiency.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis is a \u003cb data-path-to-node=\"11\" data-index-in-node=\"10\"\u003e47mm Big Bore specific head\u003c\/b\u003e. It is not compatible with standard 39mm (50cc) cylinders unless you have already upgraded to an 80cc bore.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEGR Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eGY6 139QMB \/ 139QMA\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e\u003cb data-path-to-node=\"12,1,1,0\" data-index-in-node=\"0\"\u003e80cc (47mm Bore)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e\u003cb data-path-to-node=\"12,1,2,0\" data-index-in-node=\"0\"\u003eNon-EGR Only\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eCompatible Vehicles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eATVs, Go Karts, Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eTaoTao, Wolf, Ice Bear, Bacci\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\" style=\"width: 99.9589%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Inner Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e47mm \/ 1.85\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eIntake Valve Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e20mm \/ 0.78\" (Bolt Spacing: 45mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eExhaust Valve Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e30mm \/ 1.18\" (Bolt Spacing: 50mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eSpark Plug Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003eA7TC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eSystem Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eNon-EGR (Standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 41.7313%;\"\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003eAssembly Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 57.9902%;\"\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003eCompleted with Valves \u0026amp; Springs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eOptimized for 80cc Performance:\u003c\/b\u003e Specifically engineered for 47mm big bore cylinders to provide the correct combustion chamber volume and air-flow for 80cc power outputs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003ePre-Installed Valve Train:\u003c\/b\u003e Comes fully assembled with high-quality intake and exhaust valves, saving you the time and hassle of using a valve spring compressor.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eNon-EGR Simplified Design:\u003c\/b\u003e Perfect for standard performance setups that do not use Exhaust Gas Recirculation, reducing complexity and potential leak points.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cspan class=\"citation-95\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-95\"\u003eHigh-Toughness Construction:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-95 citation-end-95\"\u003e Cast from premium alloys that are rustproof and corrosion-resistant, designed to maintain structural integrity under high thermal stress.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-95 citation-end-95\"\u003e\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eImproved Gas Sealing:\u003c\/b\u003e\u003cspan class=\"citation-94 citation-end-94\"\u003e Includes a full set of high-performance gaskets to ensure a reliable, airtight seal between the cylinder head and the engine block.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473216065704,"sku":"Group-12","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-47mm-For-GY6-80cc-ATV-Go-Kart-Scooter-0.jpg?v=1770781774"},{"product_id":"goofit-cylinder-head-valves-gasket-kit-replacement-for-gy6-49cc-50cc-atv-scooter-139qma-139qmb-engine-atv-quad-scooter-moped","title":"Cylinder Head Assembly with Valves \u0026 Springs for 4-Stroke GY6 49cc 50cc 139QMB 139QMA Engine","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the compression and smooth idling of your 50cc scooter with the GOOFIT Professional Complete Cylinder Head Kit. This high-quality replacement is designed for the 4-stroke \u003cb data-path-to-node=\"8\" data-index-in-node=\"179\"\u003eGY6 139QMB\/139QMA\u003c\/b\u003e engine platform. Unlike bare heads, this kit comes fully loaded with intake\/exhaust valves, springs, and seals already installed (as pictured), providing a direct \"bolt-on\" solution to fix leaky valves or cracked heads without the need for specialized engine tools.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA standard OEM-spec replacement for \u003cb data-path-to-node=\"11\" data-index-in-node=\"36\"\u003e4-stroke 49cc\/50cc Chinese engines\u003c\/b\u003e.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eGY6 139QMB\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e49cc \/ 50cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eGas Scooters, Mopeds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eGY6 139QMA\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e49cc \/ 50cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eATVs, Quads, Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eCompatible Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eTaoTao, Peace Sports\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eWolf, Ice Bear, Bacci\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eBore Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003eStandard 39mm (50cc)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e4-Stroke GY6 Air-Cooled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eCylinder Head, Intake\/Exhaust Valves, Springs, Clips, Seals, Studs, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eAssembly Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e\u003cb data-path-to-node=\"15,4,1,0\" data-index-in-node=\"0\"\u003eFully Loaded \/ Pre-Assembled\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eSpark Plug Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eFits A7TC \/ C7HSA (Standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eComplete \"Ready-to-Install\" Bundle:\u003c\/b\u003e This is a fully equipped cylinder head featuring pre-installed valves, heavy-duty springs, and clips, saving you the time and frustration of a manual rebuild.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003ePremium Heat Dissipation:\u003c\/b\u003e Engineered with a high-efficiency fin structure that rapidly draws heat away from the combustion chamber, ensuring stable performance during long commutes.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eIndustrial-Grade Durability:\u003c\/b\u003e Cast from high-toughness, corrosion-resistant alloys that are rustproof and designed to withstand the wear and tear of daily street use.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003ePerfect Gas Sealing:\u003c\/b\u003e Includes high-quality head and base gaskets to provide an airtight seal, restoring lost power and significantly improving fuel efficiency.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eMeticulous Precision Fit:\u003c\/b\u003e Every component is built to match original factory specifications, ensuring a seamless installation for TaoTao, Sunshine, and other popular Chinese 50cc brands.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473219506344,"sku":"K074-027","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-For-GY6-49cc-50cc-139QMA-139QMB-Engin-0.jpg?v=1770781835"},{"product_id":"goofit-57-4mm-bore-cylinder-kit-with-piston-for-4-stroke-gy6-150cc-atv-157qmj-engine","title":"57.4mm Cylinder Rebuild Kit for 4-Stroke GY6 150cc 157QMJ Engine with 76mm Bolt Pattern","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRevive the power and efficiency of your GY6 150cc engine with the GOOFIT Professional Cylinder Rebuild Kit. \u003cspan class=\"citation-148\"\u003eEngineered specifically for the \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"140\"\u003e\u003cspan class=\"citation-148\"\u003e157QMJ\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-148\"\u003e platform with \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"161\"\u003e\u003cspan class=\"citation-148\"\u003eEGR cylinder heads\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-148\"\u003e, this kit features the industry-standard \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"221\"\u003e\u003cspan class=\"citation-148\"\u003e76mm bolt pattern\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-148\"\u003e and \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"243\"\u003e\u003cspan class=\"citation-148\"\u003e2.5\" tall head\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-148 citation-end-148\"\u003e compatibility.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Built from high-strength alloys with rapid heat dissipation, it is designed to eliminate oil burning and gas leakage, ensuring your scooter or ATV performs like new under any load.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis kit is a precise fit for 150cc engines with the \u003cb data-path-to-node=\"11\" data-index-in-node=\"53\"\u003eTall Head (2 1\/2\")\u003c\/b\u003e and \u003cb data-path-to-node=\"11\" data-index-in-node=\"76\"\u003eEGR\u003c\/b\u003e configurations.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eEngine Code\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eGY6 150cc \/ 152QMI\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e4-Stroke Horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eBolt Pattern\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e\u003cb data-path-to-node=\"12,2,1,0\" data-index-in-node=\"0\"\u003e76mm (Critical)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eStandard 157QMJ Layout\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eHead Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e\u003cb data-path-to-node=\"12,3,1,0\" data-index-in-node=\"0\"\u003eEGR Head Compatible\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003e2.5\" Tall Cylinder Head\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eVehicles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003eATVs, Scooters, Go-Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eTaoTao, Ice Bear, Wolf, etc.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e57.4mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin (Wrist Pin)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003eOD: 15mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eCylinder Hole Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e54mm \/ 2.12\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eBolt Pattern\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e76mm (Center-to-Center)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eCylinder, Piston, Rings, 15mm Pin, Clips, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eOptimized for EGR Systems:\u003c\/b\u003e Specifically designed to work seamlessly with \u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"73\"\u003eEGR (Exhaust Gas Recirculation)\u003c\/b\u003e cylinder heads, ensuring no interference with emissions components.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eSuperior Anti-Wear Material:\u003c\/b\u003e Crafted from high-strength alloys with excellent resistance to high temperatures and pressures, preventing deformation even during prolonged high-load operation.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003ePrecision-Honed Cylinder Wall:\u003c\/b\u003e Meticulous machining of the cylinder-to-piston clearance reduces blow-by gas leakage, resulting in faster acceleration and better engine response.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eEliminate Oil Consumption:\u003c\/b\u003e High-quality piston rings and stable thermal expansion properties effectively reduce the risk of oil burning, keeping your exhaust clean and your oil levels steady.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eComplete Top-End Solution:\u003c\/b\u003e This comprehensive kit includes everything from the cylinder body to the wrist pin and gaskets, providing an all-in-one fix for a smoking or low-compression engine.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473224585384,"sku":"Group-22","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-57-4mm-For-4-Stroke-GY6-150cc-ATV-157.jpg?v=1770781939"},{"product_id":"cylinder-kit-57-4mm-with-spark-plug-for-gy6-150cc-157qmj-152qmi-engine","title":"57.4mm Cylinder Head Assembly with Spark Plug for 4-Stroke GY6 150cc Yerfdog GX150 Spiderbox Tomerlin Crossfire","description":"\u003ch2 data-path-to-node=\"7\" class=\"\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan class=\"\"\u003eRestore the compression and reliability of your 150cc machine with the GOOFIT 57.\u003c\/span\u003e\u003cspan class=\"\"\u003e4mm Cylinder Head Kit.\u003c\/span\u003e\u003cspan class=\"\"\u003e This direct-replacement assembly is a favorite for \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"155\" class=\"\"\u003eYerfdog GX150 Spiderbox\u003c\/b\u003e\u003cspan class=\"\"\u003e and \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"183\" class=\"\"\u003eTomerlin Crossfire\u003c\/b\u003e\u003cspan class=\"\"\u003e enthusiasts,\u003c\/span\u003e\u003cspan class=\"\"\u003e as well as owners of TaoTao and BMS scooters.\u003c\/span\u003e\u003cspan class=\"\"\u003e Designed for a leak-proof seal and optimized gas flow,\u003c\/span\u003e\u003cspan class=\"\"\u003e this kit includes a performance-matched 10mm spark plug and gaskets to ensure your engine delivers consistent power output across all terrains.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA high-performance replacement for \u003cb data-path-to-node=\"11\" data-index-in-node=\"35\"\u003e4-stroke GY6 150cc (157QMJ \/ 152QMI)\u003c\/b\u003e engines.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePopular Compatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eGo Karts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e\u003cb data-path-to-node=\"12,1,1,0\" data-index-in-node=\"0\"\u003eYerfdog GX150 Spiderbox\u003c\/b\u003e, Tomerlin Crossfire 150\/150R, Coolster 3150DX2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eScooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eTaoTao 150, Lance Vintage 150, Eaglecraft, Tank, BMS, Baja SC150\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eCompatible Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eJonway, JCL, Flyscooter, Schwinn, Verucci, Yamati\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-path-to-node=\"13,0\"\u003e\u003cb data-path-to-node=\"13,0\" data-index-in-node=\"0\"\u003e⚠️ EXCLUSION NOTICE:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,1,0,0\"\u003e\n\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eNOT\u003c\/b\u003e a replacement for \u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"22\"\u003e2013 Kymco Super 8 150\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,1,0\"\u003ePlease verify your engine is a standard 4-stroke GY6 150cc before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\" style=\"width: 99.9589%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.589%;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.3131%;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.589%;\"\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Head Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.3131%;\"\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003e57.4mm \/ 2.25\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.589%;\"\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003eSpark Plug Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.3131%;\"\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003e10mm Diameter (For 4-Stroke)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.589%;\"\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eEngine Code\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.3131%;\"\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003eGY6 150cc (157QMJ \/ 152QMI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.589%;\"\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.3131%;\"\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003eCylinder Head, Gasket Set, Spark Plug\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35.589%;\"\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eFitment Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.3131%;\"\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003eDirect Installation \/ Bolt-On\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eDirect \"Bolt-On\" Installation:\u003c\/b\u003e Precision-engineered to match OEM dimensions for GY6 150cc platforms, allowing for a straightforward replacement without modifications.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eLeak-Proof Sealing:\u003c\/b\u003e Features a meticulously leveled mating surface and premium gaskets to ensure zero air leakage and maximum combustion chamber pressure.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eOptimized Power Output:\u003c\/b\u003e Designed to complement high-performance pistons, this head improves air-fuel mixture flow for more responsive acceleration and stable idling.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eComplete Maintenance Bundle:\u003c\/b\u003e Saves you time by including a high-quality 10mm spark plug and all essential head gaskets in one convenient package.\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb data-path-to-node=\"19,4,0\" data-index-in-node=\"0\"\u003eHeavy-Duty Construction:\u003c\/b\u003e Built from heat-resistant aluminum alloy to withstand the high-temperature demands of both street commuting and off-road go-karting.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473226879144,"sku":"Group-20","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-57-4mm-With-Spark-Plug-For-GY6-150cc-0.jpg?v=1770781982"},{"product_id":"goofit-performance-big-bore-cylinder-kit-gy6-80cc-47mm-for-139qmb-atv-scooter-moped-go-kart","title":"47mm Performance Big Bore Cylinder Kit (80cc Upgrade) for GY6 50cc 139QMB 4-Stroke Scooter ATV","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eUnlock hidden power in your GY6 engine with the GOOFIT 47mm Big Bore Cylinder Kit. Designed to upgrade standard 49cc\/50cc units to 80cc, this kit is the perfect balance of performance and reliability. Crafted from high-strength aluminum alloy with a wear-resistant coating, it provides an immediate boost in torque and acceleration without the need for complex engine modifications.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA universal top-end upgrade for \u003cb data-path-to-node=\"11\" data-index-in-node=\"32\"\u003e4-stroke GY6 horizontal engines\u003c\/b\u003e.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrade Potential\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eGY6 49cc \/ 50cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eUpgrades to \u003cb data-path-to-node=\"12,1,1,0\" data-index-in-node=\"12\"\u003e80cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eStandard 139QMB \/ 139QMA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eGY6 60cc \/ 80cc\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eDirect Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eMaintenance \u0026amp; Repair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eCompatible Vehicles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eATVs, Scooters, Mopeds, Karts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eTaoTao, Peace Sports, Wolf, Ice Bear\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Inner Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e47mm \/ 1.85\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Outer Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e13mm \/ 0.51\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e4-Stroke GY6 (139QMB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003eHigh-Strength Aluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eCoating\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003ePremium Wear-Resistant Hardened Layer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eInstant Performance Upgrade:\u003c\/b\u003e Efficiently increases your displacement to 80cc, providing the extra power needed for hills, passengers, and higher cruising speeds.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eThermal-Stable Construction:\u003c\/b\u003e Made of premium aluminum alloy that dissipates heat faster than stock cast iron, ensuring stable performance during long-distance rides.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eWear-Resistant Hardened Bore:\u003c\/b\u003e The inner cylinder wall features a specialized coating that reduces friction and extends the life of the piston rings and cylinder.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cspan class=\"citation-86\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-86\"\u003eQuick \u0026amp; Simple Installation:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-86 citation-end-86\"\u003e Engineered as a \"Bolt-On\" solution, this kit requires no machining or complex modifications to your original crankcase.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-86 citation-end-86\"\u003e\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eComprehensive Accessory Pack:\u003c\/b\u003e Includes everything for a professional seal: cylinders, pistons, rings, valve seals, and a full set of gaskets, bolts, and exhaust nuts.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473227337896,"sku":"Group-11-B","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-47mm-For-GY6-50cc-80cc-139QMB-Engine-0.jpg?v=1770781990"},{"product_id":"40mm-cylinder-rebuild-kit-with-piston-for-2-stroke-43cc-scooter-pocket-bike-mini","title":"40mm Cylinder Rebuild Kit with Piston for 2-Stroke 43cc Scooter Pocket Bike Mini","description":"\u003ch2 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eBoost your mini bike's performance with the GOOFIT 40mm Cylinder Rebuild Kit. Engineered specifically for 2-stroke 43cc engines, this complete kit features a precision-forged piston designed to increase compression and power output. Whether you're replacing a worn-out cylinder or looking for a speed upgrade, this kit provides the durability and acceleration you need for peak performance.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eThis kit is a standard replacement for most Chinese-manufactured 2-stroke 43cc small engines.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003ePocket Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003e43cc Mini Gas Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,2,0\"\u003eTaoTao, Motovox, Razor (Gas models)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eMini Dirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e43cc Pit Bikes \/ Mini MX\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,2,0\"\u003eCoolster, SSR, Apollo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eUtility \/ Fun\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eStand-up Scooters, Mini Quads\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,2,0\"\u003eVarious unbranded 2-stroke models\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003e2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003e43cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e40mm \/ 1.58\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,0,0\"\u003e\u003cb data-path-to-node=\"13,4,0,0\" data-index-in-node=\"0\"\u003eCylinder Height\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,1,0\"\u003e95mm \/ 3.74\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,5,0,0\"\u003e\u003cb data-path-to-node=\"13,5,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,5,1,0\"\u003eDiameter: 10mm \/ 0.4\"; Length: 33mm \/ 1.3\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,6,0,0\"\u003e\u003cb data-path-to-node=\"13,6,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,6,1,0\"\u003eHigh-Grade Aluminum Alloy \u0026amp; Forged Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"16,0,0\"\u003e\n\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003ePrecision 40mm Bore:\u003c\/b\u003e Perfectly honed to 40mm to ensure maximum airtightness and optimal compression for 43cc 2-stroke engines.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,1,0\"\u003e\n\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eEnhanced Power Output:\u003c\/b\u003e Features a precision-forged piston that improves the compression ratio, leading to noticeably faster acceleration and higher top speeds.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,2,0\"\u003e\n\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eSuperior Durability:\u003c\/b\u003e Constructed from high-strength materials designed to withstand the high temperatures and high RPMs of 2-stroke racing.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,3,0\"\u003e\n\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eComplete Rebuild Solution:\u003c\/b\u003e Includes the cylinder block, piston, rings, wrist pin, and clips—everything needed for a top-end engine overhaul.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,4,0\"\u003e\n\u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"0\"\u003eStandardized Fitment:\u003c\/b\u003e Designed as a direct bolt-on replacement for common gas scooters and pocket bikes, ensuring a straightforward installation process.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473232744616,"sku":"K074-022","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-40mm-For-2-Stroke-43cc-Engine-1.jpg?v=1770782096"},{"product_id":"goofit-39mm-cylinder-rebuild-kit-gy6-50cc-4-stroke-scooter-atv","title":"39mm Cylinder Rebuild Kit for GY6 49cc 50cc 4-Stroke Scooter ATV Moped Engine","description":"\u003ch2 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eRestore your engine’s peak performance with the GOOFIT 39mm Cylinder Rebuild Kit. Specifically engineered for GY6 49cc and 50cc 4-stroke engines, this complete kit offers a precision-bore cylinder for improved compression and fuel efficiency. Whether you're repairing a worn-out motor or performing routine maintenance, this kit ensures a stable, powerful, and smooth ride.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eThis kit is a direct replacement for the standard 139QMB \/ 139QMA engine series found in most Chinese scooters.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Engine Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eScooters \/ Moped\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eGY6 49cc 50cc 4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,2,0\"\u003eTaoTao, Peace Sports, Ice Bear, Wolf\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eATVs \/ Quads\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e50cc Kids ATVs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,2,0\"\u003eCoolster, Kazuma, Redcat, Roketa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eOther Vehicles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003e50cc Go-Karts, Pony Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,2,0\"\u003eKandi, Carter, Hammerhead\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 99.9589%; height: 117.5px;\" data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.6116%; height: 19.5833px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.9278%; height: 19.5833px;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.6116%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.9278%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003e39mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.6116%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.9278%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003e49cc \/ 50cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.6116%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.9278%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003eGY6 4-Stroke (139QMB\/139QMA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.6116%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,4,0,0\"\u003e\u003cb data-path-to-node=\"13,4,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.9278%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,4,1,0\"\u003eHigh-Grade Aluminum Alloy \u0026amp; Cast Iron Liner\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.6116%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,5,0,0\"\u003e\u003cb data-path-to-node=\"13,5,0,0\" data-index-in-node=\"0\"\u003eIncludes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.9278%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"13,5,1,0\"\u003eCylinder Block, Piston, Rings, Wrist Pin, Clips\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"16,0,0\"\u003e\n\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003ePrecision Engineering:\u003c\/b\u003e Features a 39mm precision-honed bore that ensures a perfect seal and optimal compression for 4-stroke GY6 50cc engines.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,1,0\"\u003e\n\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eEnhanced Heat Dissipation:\u003c\/b\u003e Constructed from premium aluminum alloy with an optimized fin design for superior cooling, preventing engine overheating during long rides.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,2,0\"\u003e\n\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eUltra-Durable \u0026amp; Wear-Resistant:\u003c\/b\u003e The thickened cylinder wall and high-strength piston rings provide excellent corrosion and wear resistance, significantly extending engine life.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,3,0\"\u003e\n\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eOptimized Performance:\u003c\/b\u003e Designed to restore horsepower and improve oil efficiency, giving your scooter a smoother idle and more responsive acceleration.\u003c\/li\u003e\n\u003cli data-path-to-node=\"16,4,0\"\u003e\n\u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"0\"\u003ePerfect OEM Replacement:\u003c\/b\u003e Manufactured to exacting standards for a hassle-free installation, making it the ideal choice for professional mechanics and DIY enthusiasts alike.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473244836008,"sku":"K074-061","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-39mm-for-4-Stroke-GY6-49cc-50cc-ATV-S-0.jpg?v=1770782301"},{"product_id":"goofit-44mm-big-bore-cylinder-assembly-with-piston-ring-replacement-for-2-stroke-43cc-47cc-49cc-scooter-mini-pocket-bike","title":"44mm Big Bore Cylinder Kit with 12mm Piston Pin for 2-Stroke 43cc 47cc 49cc Mini Pocket Bike","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRevitalize your mini scooter's engine with the GOOFIT 44mm Big Bore Cylinder Assembly. Specifically engineered for 2-stroke 43cc, 47cc, and 49cc engines, this kit is the ideal choice for riders seeking a reliable top-end replacement. Featuring a robust 12mm wrist pin and precision-machined components, it ensures a perfect seal and enhanced combustion efficiency, bringing your engine back to life with improved stability.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cspan class=\"citation-38\"\u003eThis 44mm kit is a direct replacement for 2-stroke small engines using a \u003c\/span\u003e\u003cb data-index-in-node=\"73\" data-path-to-node=\"11\"\u003e\u003cspan class=\"citation-38\"\u003e12mm piston pin\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-38 citation-end-38\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eMini Scooters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eGas Scooters, Stand-up Scooters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eFits 43cc-49cc Motors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003ePocket Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eMini Superbikes \u0026amp; Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,2,0\"\u003eMust verify 12mm Pin\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003eMini Quads \/ ATV\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eKids ATVs \u0026amp; 4-Wheelers\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eHigh-Durability Materials\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0,0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e44mm \/ 1.7\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0,0\"\u003ePiston Pin Outer Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e12mm \/ 0.47\" (Critical Size)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,3,0,0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e2-Stroke Air-Cooled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,4,0,0\"\u003eDisplacement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e43cc, 47cc, 49cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,5,0,0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eCylinder, Piston, Rings, 12mm Pin, Clips, Gasket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003eOptimized 12mm Pin Fitment:\u003c\/b\u003e\u003cspan class=\"citation-37 citation-end-37\"\u003e Specifically designed for engines requiring a 12mm wrist pin, ensuring high-strength connectivity and reduced mechanical vibration.\u003csup data-turn-source-index=\"2\" class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-37 citation-end-37\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003ePrecision Machined Durability:\u003c\/b\u003e\u003cspan class=\"citation-36 citation-end-36\"\u003e Each component undergoes strict quality testing and precision machining to ensure consistency, significantly reducing the failure rate under high-speed operation.\u003csup data-turn-source-index=\"3\" class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-37 citation-end-37\"\u003e\u003cspan class=\"citation-36 citation-end-36\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,2,0\"\u003eEnhanced Combustion Efficiency:\u003c\/b\u003e\u003cspan class=\"citation-35 citation-end-35\"\u003e The cylinder and piston ring geometry are engineered to optimize fuel-air mixing, resulting in better fuel economy and consistent power delivery.\u003csup data-turn-source-index=\"4\" class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,3,0\"\u003eLeak-Proof Gasket Seal:\u003c\/b\u003e Includes a precise-density gasket kit that provides a reliable, airtight seal with minimal tightening effort, preventing power-robbing air leaks.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,4,0\"\u003eExtended Service Life:\u003c\/b\u003e Crafted from high-strength alloys that resist wear and thermal stress, effectively extending the interval between engine overhauls.\u003cspan class=\"citation-37 citation-end-37\"\u003e\u003cspan class=\"citation-36 citation-end-36\"\u003e\u003cspan class=\"citation-35 citation-end-35\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473280716968,"sku":"K075-057","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-44mm-For-2-Stroke-43cc-47cc-49cc-Engi-0.jpg?v=1770782870"},{"product_id":"goofit-40mm-bore-cylinder-kit-with-piston-for-2-stroke-47cc-49cc-pocket-bike-mini-quad-chain-saw","title":"40mm Cylinder Rebuild Kit for 2-Stroke 47cc 49cc Pocket Bike Mini Quad \u0026 Chainsaw","description":"\u003ch2 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eRestore the compression and power of your 2-stroke engine with the GOOFIT 40mm Cylinder Rebuild Kit. This versatile top-end kit is designed for 47cc and 49cc engines found in pocket bikes, mini quads, and even high-performance chainsaws. \u003cspan class=\"citation-13 citation-end-13\"\u003ePrecision-engineered for a perfect seal, it includes everything you need—from the cylinder body to the gaskets—to get your equipment back in peak running condition.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis 40mm bore kit is a universal fit for many 2-stroke small engines. \u003cb data-path-to-node=\"11\" data-index-in-node=\"71\"\u003ePlease verify your bolt hole spacing (50mm) before purchasing.\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\/Equipment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Match\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003ePocket Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eMini Gas Scooters, Super Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e2-Stroke 47cc \/ 49cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eOff-Road Mini\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eMini Quads, ATVs, Dirt Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003e40mm Piston \/ 10mm Pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003ePower Tools\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eHigh-performance Chain Saws\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eCompatible 2-Stroke Motors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e40mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e10mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eExhaust Bolt Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e40mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eCylinder Bolt Spacing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003e50mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003e2-Stroke (47cc \/ 49cc)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,0,0\"\u003e\u003cb data-path-to-node=\"15,6,0,0\" data-index-in-node=\"0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,6,1,0\"\u003eCylinder, Piston, Rings, Gaskets, Clips, Stud\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cspan class=\"citation-12\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-12\"\u003eUniversal 2-Stroke Fitment:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-12 citation-end-12\"\u003e Optimized for 47cc and 49cc engines, making it the ideal replacement for pocket bikes, mini ATVs, and compatible outdoor power equipment like chainsaws.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003ePrecision 40mm Bore:\u003c\/b\u003e High-quality cylinder lining ensures a consistent seal and smooth piston movement, restoring lost compression and engine response.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cspan class=\"citation-11\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-11\"\u003eComplete Top-End Solution:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-11 citation-end-11\"\u003e This all-in-one package includes the cylinder body, piston, rings, 10mm pin, clips, and essential gaskets for a leak-proof installation.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eDurable Construction:\u003c\/b\u003e Built with heat-resistant alloys to handle the high temperatures of air-cooled 2-stroke engines, extending the lifespan of your machine.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eDirect Bolt-On Design:\u003c\/b\u003e Features standard 50mm bolt spacing and 40mm exhaust spacing for a straightforward replacement process without modifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473284223144,"sku":"K074-015-1","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-40mm-For-2-Stroke-47cc-49cc-Engine-1.jpg?v=1770782931"},{"product_id":"goofit-44mm-big-bore-cylinder-top-end-kit-for-2-stroke-47cc-49cc-mini-quad-pocket-bike-chain-saw","title":"44mm Big Bore Cylinder Kit with Ignition Coil \u0026 Spark Plug for 2-Stroke 47cc 49cc Mini Quad","description":"\u003ch2 data-path-to-node=\"7\" class=\"\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan class=\"\"\u003eUpgrade your engine’s entire combustion cycle with the GOOFIT 44mm Complete Top-End Performance Kit.\u003c\/span\u003e\u003cspan class=\"\"\u003e This bundle doesn't just increase displacement—it optimizes ignition with a high-output coil and L7T spark plug.\u003c\/span\u003e\u003cspan class=\"\"\u003e Specifically designed for 2-stroke 47cc\/49cc engines used in pocket bikes and high-performance chainsaws,\u003c\/span\u003e\u003cspan class=\"\"\u003e this kit delivers a significant boost in torque,\u003c\/span\u003e\u003cspan class=\"\"\u003e smoother starts,\u003c\/span\u003e\u003cspan class=\"\"\u003e and reliable high-RPM power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eProduct Compatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eA versatile performance bundle for small 2-stroke engines with a \u003cb data-path-to-node=\"11\" data-index-in-node=\"65\"\u003e12mm piston pin\u003c\/b\u003e.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\" style=\"width: 100.018%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9404%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.6321%;\"\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.9826%;\"\u003e\u003cstrong\u003eKey Fitment Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9404%;\"\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003ePocket Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.6321%;\"\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.9826%;\"\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003e44mm Bore \/ 12mm Pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9404%;\"\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eMini Quads \/ ATV\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.6321%;\"\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eKids 2-Stroke Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.9826%;\"\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003eIncludes Ignition Upgrade\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9404%;\"\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eChainsaws\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.6321%;\"\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eHigh-Power 2-Stroke Saws\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.9826%;\"\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eVerify Bolt Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9404%;\"\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eMini Dirt Bikes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.6321%;\"\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e49cc Pit Bikes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.9826%;\"\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eComplete Top-End Rebuild\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cb data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eCylinder Bore\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e44mm \/ 1.73\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cb data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003ePiston Pin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e12mm \/ 0.47\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cb data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eEngine Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003e2-Stroke Air-Cooled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cb data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003eCylinder, Piston\/Ring Kit, Ignition Coil, L7T Spark Plug, Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,0,0\"\u003e\u003cb data-path-to-node=\"15,5,0,0\" data-index-in-node=\"0\"\u003ePerformance Gain\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,5,1,0\"\u003eIncreased Displacement + Optimized Ignition\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"18,0,0\"\u003e\n\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eComplete Combustion Upgrade:\u003c\/b\u003e\u003cspan class=\"citation-47 citation-end-47\"\u003e Combines a 44mm big bore cylinder with a high-performance ignition coil and L7T spark plug to ensure stronger sparks and more explosive power.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,1,0\"\u003e\n\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eEnhanced Airway Design:\u003c\/b\u003e The redesigned intake and exhaust ports improve scavenging efficiency, resulting in higher fuel economy and reduced emissions without sacrificing power.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,2,0\"\u003e\n\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003ePremium Material Sealing:\u003c\/b\u003e Crafted from high-grade alloys that ensure exceptional thermal stability and a leak-proof seal, keeping your engine running like new for longer.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,3,0\"\u003e\n\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003ePrecision 12mm Pin Fitment:\u003c\/b\u003e Engineered for high-load 2-stroke applications, the 12mm wrist pin provides a robust connection between the piston and crankshaft.\u003c\/li\u003e\n\u003cli data-path-to-node=\"18,4,0\"\u003e\n\u003cb data-path-to-node=\"18,4,0\" data-index-in-node=\"0\"\u003eReady-to-Install Bundle:\u003c\/b\u003e Simplifies the maintenance process by providing all essential top-end components in one package, saving you time and ensuring part compatibility.\u003cspan class=\"citation-47 citation-end-47\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473299361960,"sku":"Group-46","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Cylinder-Kit-44mm-For-2-Stroke-47cc-49cc-Engine-1.jpg?v=1770783117"},{"product_id":"54mm-big-bore-cylinder-kit-c90-c110-152fmh-125cc","title":"54mm Big Bore Cylinder Piston Kit for C90 C110 152FMH 125cc","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplace a worn or damaged top-end assembly with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e54mm cylinder and piston kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed for compatible C90, C100, C110, CT100, JH90\/JH110, DY110, QJ110-9, ZS110, and 152FMH-style engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe kit features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e54mm piston bore and 14mm piston pin\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it suitable for selected horizontal 4-stroke motorcycle, ATV, dirt bike, pit bike, and go-kart engines with matching dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFitment should be confirmed by the bore size, piston-pin diameter, cylinder mounting pattern, and original engine configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eEngine \/ Model\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eFitment Notes\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC90 \/ JH90\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected compatible engine configurations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC100\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify cylinder and piston dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC110\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMatch 54mm bore and mounting pattern\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCT100\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDimension-based fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eJH110\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify original cylinder configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDY110\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompare piston and mounting dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eQJ110-9\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected compatible models\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eZS110\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify engine configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e152FMH\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible 54mm \/ 14mm pin applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eATV \/ Pit Bike \/ Dirt Bike \/ Go Kart\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMatching horizontal engine required\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder \u0026amp; Piston Rebuild Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIron\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBore \/ Piston Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 54 mm \/ 2.13 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Hole Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 72 mm \/ 2.83 in \u0026amp; 51 mm \/ 2.01 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Hole Diameters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 10 mm \/ 7 mm \/ 8 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Pin Outer Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 14 mm \/ 0.55 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Pin Inner Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 9 mm \/ 0.35 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Pin Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 41 mm \/ 1.61 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal 4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMotorcycle \/ ATV \/ Pit Bike \/ Dirt Bike \/ Go Kart\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e54mm Cylinder Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for compatible horizontal-engine top-end assemblies.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e14mm Piston Pin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Matches selected 125cc \/ 152FMH-style piston configurations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Rebuild Solution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for replacing worn cylinder, piston, and ring components.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIron Cylinder Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for durable everyday engine use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMultiple Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible motorcycles, ATVs, dirt bikes, pit bikes, and go-karts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":55896124686504,"sku":"K075-075","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/54mm-big-bore-cylinder-kit-c90-c110-152fmh-125cc_1.jpg?v=1787297417"},{"product_id":"44mm-big-bore-kit-47cc-49cc-2-stroke-pocket-bike-atv","title":"44mm Big Bore Cylinder Carburetor Kit for 47cc 49cc 2-Stroke Pocket Bike","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e44mm big bore cylinder and engine component kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for selected Chinese-style \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e47cc and 49cc air-cooled 2-stroke mini engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e used in pocket bikes, mini dirt bikes, mini ATVs, quads, and similar applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe kit combines major top-end and intake\/ignition components, including a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e44mm cylinder and piston assembly, carburetor, intake manifold, air filter, ignition coil, and spark plug\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 44mm bore is commonly marketed as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e53cc\/54cc big bore upgrade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for compatible 47cc\/49cc engines. However, actual engine displacement depends on both cylinder bore and crankshaft stroke, so verify your engine dimensions before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eVehicle \/ Engine\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eFitment Notes\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChinese Mini Moto\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify 44mm cylinder configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePocket Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected air-cooled engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMini Dirt Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompare cylinder and intake dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMini Quad \/ ATV\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected Chinese mini engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMini Racing Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47cc \/ 49cc 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify engine configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCRX50-Style Dirt Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify original engine dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoyote Midi Quad\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePhysical comparison required\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis kit is intended for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eselected air-cooled Chinese mini 2-stroke engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Similar-looking 47cc\/49cc engines can use different cylinders, piston pins, intake systems, and ignition components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBig Bore Cylinder \/ Engine Rebuild Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAir-Cooled 2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Original Engine Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47cc \/ 49cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 44 mm \/ 1.73 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMarketed Big Bore Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e53cc \/ 54cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCarburetor Manifold Intake Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 19 mm \/ 0.75 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAir Filter Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 58 mm \/ 2.28 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Pin Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 12 mm \/ 0.47 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Spark Plug\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA7TC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eColor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePocket Bike \/ Mini Dirt Bike \/ Mini ATV \/ Quad\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 53cc\/54cc is the marketed application description. Actual displacement depends on the engine's bore and stroke.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e44mm Big Bore Cylinder:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for selected 47cc\/49cc Chinese-style 2-stroke mini engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Component Set:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Combines top-end, intake, filtration, and ignition components in one replacement kit.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e19mm Intake Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carburetor\/manifold dimensions provide an additional fitment check.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e12mm Piston Pin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Important measurement for confirming piston and connecting-rod compatibility.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMini Powersports Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible pocket bikes, mini dirt bikes, mini ATVs, and quads.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":55966535581864,"sku":"Group-119","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/44mm-big-bore-kit-47cc-49cc-2-stroke-pocket-bike-atv_1.avif?v=1788943714"},{"product_id":"2-stroke-engine-kit-43cc-47cc-49cc-52cc-pocket-pit-bike","title":"2-Stroke Engine Kit with Carburetor Recoil Starter for 43cc–52cc Pocket Bike","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplacement \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2-stroke horizontal engine kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e43cc, 47cc, 49cc, and 52cc mini pocket bikes, pit bikes, gas scooters, and similar small powersports applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe assembly includes a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7-tooth gearbox, recoil starter, carburetor, air filter, and related engine components\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing a practical replacement for compatible mini 2-stroke engine configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eListed applications include selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSYX Moto 50cc Pit Bike, SSR SX50, 2016 Coolster 49cc Pit Bike\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and similar Chinese-style mini vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore ordering, compare the engine mounting-hole spacing, gearbox sprocket, engine orientation, throttle cable, intake\/exhaust configuration, and overall dimensions with the original engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eMake \/ Vehicle\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eListed Engine\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eFitment Notes\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSYX Moto Pit Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected compatible configurations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSSR SX50\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50cc Class\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify engine and mounting pattern\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoolster Pit Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e49cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eListed 2016 application; verify dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMini Pocket Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43cc–52cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected horizontal 2-stroke configurations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMini Pit Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43cc–52cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify mounting points and drivetrain\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGas Scooter \/ Moped\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43cc–52cc\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePhysical comparison required\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eGeneric Engine Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eListed for selected:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e43cc \/ 47cc \/ 49cc \/ 52cc air-cooled 2-stroke horizontal engine applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEngine displacement alone does not guarantee compatibility. Mini-bike engines that look similar can use different mounting points, gearbox ratios, sprockets, intake systems, exhaust ports, and throttle connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-Stroke Engine Replacement Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCooling Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAir-Cooled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Cycle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Engine Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43cc \/ 47cc \/ 49cc \/ 52cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGearbox Sprocket\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7-Tooth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Mounting Hole Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 65 mm \/ 2.56 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Mounting Hole Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 55 mm \/ 2.17 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Mounting Hole Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 38 mm \/ 1.50 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBolt Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 5 mm \/ 0.20 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThrottle Cable Total Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 1140 mm \/ 44.88 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThrottle Cable Travel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 140 mm \/ 5.51 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMain Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eColor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSilver\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStarting Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRecoil \/ Pull Start\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2-Stroke Mini Engine Kit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for selected 43cc–52cc mini powersports applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e7-Tooth Gearbox:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes a 7T output sprocket configuration for compatible drivetrains.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRecoil Starting System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pull-start assembly provides manual engine starting.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIntake Components Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carburetor and air filter are included for a matching engine configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMultiple Fitment References:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Mounting-hole spacing and throttle-cable dimensions help verify compatibility before ordering.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":55970801811624,"sku":"Group-160","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/2-stroke-engine-kit-43cc-47cc-49cc-52cc-pocket-pit-bike_1.avif?v=1789006464"},{"product_id":"89mm-440cc-big-bore-kit-honda-trx400ex-trx400x-xr400r","title":"89mm 440cc Big Bore Cylinder Kit for Honda XR400R TRX400EX TRX400X","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade or rebuild your compatible Honda 400cc engine with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e89mm big bore cylinder and piston kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed for selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eXR400R, TRX400EX, and TRX400X\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing an enlarged \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e89mm cylinder bore\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this kit is commonly marketed as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e440cc big bore conversion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for compatible Honda 400-series engines. The kit includes the cylinder, matched piston components, gaskets, and spark plug needed for a top-end installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebig bore modification kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, not a standard-bore OEM replacement cylinder. Engine setup, clearances, fuel delivery, and other supporting components should be checked during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eMake\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eYear Range\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXR400R\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1996–2004\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e89mm Big Bore Conversion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTRX400EX Sportrax \/ 400EX\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1999–2008\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e89mm Big Bore Conversion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTRX400X\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2009\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e89mm Big Bore Conversion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTRX400X\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2012–2014\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e89mm Big Bore Conversion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e TRX400X model years \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2010–2011 are not included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in the listed application range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFitment should be confirmed by model, year, cylinder configuration, mounting dimensions, and original engine components before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOEM Cross-Reference Numbers\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eHonda Cylinder Reference\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e12100-HN1-A70\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis aftermarket \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e89mm big bore cylinder is not an OEM-standard-bore cylinder\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The OEM number above should be treated as an application\/reference number rather than a claim that the 89mm cylinder has original Honda bore specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBig Bore Cylinder \u0026amp; Piston Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eATV \/ Off-Road Motorcycle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e89 mm \/ 3.50 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMarketed Displacement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e440cc Big Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOriginal Engine Class\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Mounting Distances\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 87 × 80 × 90 × 80 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInch Equivalents\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 3.43 × 3.15 × 3.54 × 3.15 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEnlarged Sleeve \/ Big Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e89mm Big Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Enlarged cylinder bore for compatible Honda XR400R, TRX400EX, and TRX400X engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e440cc-Class Conversion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Commonly marketed as a 440cc upgrade from the original 400cc engine configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMatched Top-End Components:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes cylinder, piston components, gaskets, and spark plug for a compatible installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLarger Cylinder Sleeve:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed specifically for the increased 89mm bore configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMultiple Honda Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Covers selected XR400R, TRX400EX, and TRX400X model years.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":55971121070248,"sku":"Group-301","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/89mm-440cc-big-bore-kit-honda-trx400ex-trx400x-xr400r_1.avif?v=1789011294"},{"product_id":"yx160-160cc-cylinder-head-60mm-piston-kit","title":"Complete Cylinder Head with 60mm Piston Kit for YX160 160cc Pit Bike","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplacement \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecomplete cylinder head with 60mm piston kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eYX160 160cc 4-stroke pit bike and dirt bike engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore ordering, compare the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eengine code, cylinder bore, piston size, piston-pin dimensions, cylinder-head configuration, mounting-hole pattern, valve layout, and timing components\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with the original engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eEngine \/ Application\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eYX160\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e160cc 4-Stroke Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePit Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible YX160 Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDirt Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible YX160 Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eComplete Cylinder Head with Piston Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Platform\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYX160\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e160cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 60 mm \/ 2.36 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 60 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Piston Height\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 39 mm \/ 1.54 in*\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Piston Pin Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 41 mm \/ 1.61 in*\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting-Hole References\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 60 mm \/ 59 mm \/ 70 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePit Bike \/ Dirt Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eReplacement Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eYX160 160cc Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for compatible YX160 horizontal 4-stroke pit bike engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e60mm Standard Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Matches the common YX160 160cc cylinder bore configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Cylinder Head Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible top-end replacement and rebuild applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePiston Kit Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides compatible piston-related components for the listed YX160 application.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimension-Based Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Mounting dimensions and engine configuration should be compared with the original parts before ordering.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":56028817424552,"sku":"K074-YX160","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/yx160-160cc-cylinder-head-60mm-piston-kit_1.jpg?v=1790049435"},{"product_id":"lifan-125cc-52-4mm-cylinder-head-32t-cam","title":"52.4mm Complete Cylinder Head for Lifan 125cc Horizontal Engine | 32T Cam","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplacement \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecomplete cylinder head and valve assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLifan 125cc horizontal 4-stroke engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e used in Chinese pit bikes, dirt bikes, ATVs, go-karts, and Apollo \/ CRF-style applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis cylinder head features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e52.4mm bore opening, 32-tooth cam gear, 33mm intake valve, 26mm exhaust valve, and approximately 50mm bolt-hole spacing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore ordering, compare the cylinder head with the original engine for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecam gear tooth count, bore size, valve dimensions, mounting-hole spacing, timing-chain configuration, intake\/exhaust ports, and overall head design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eEngine \/ Application\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLifan 125cc Horizontal Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible 32T Cam Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApollo Pit \/ Dirt Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected 125cc Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCRF-Style Chinese Pit Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelected 125cc Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChinese Motorcycle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Horizontal 125cc Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eATV \/ Quad\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Horizontal 125cc Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGo Kart\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Horizontal 125cc Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDirt \/ Pit Bike\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Horizontal 125cc Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eComplete Cylinder Head \/ Valve Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Platform\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLifan-Style Horizontal Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e125cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBore Opening\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 52.4 mm \/ 2.06 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCam Gear\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Teeth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIntake Valve\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 33 mm \/ 1.30 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExhaust Valve\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 26 mm \/ 1.02 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBolt-Hole Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 50 mm \/ 1.97 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMPN \/ Product Reference\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eK075-053\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePit Bike \/ Dirt Bike \/ ATV \/ Go Kart\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eReplacement Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e32T Cam Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Critical fitment feature for distinguishing this head from similar 28T versions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e52.4mm Bore Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for compatible Lifan-style 125cc horizontal engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e33mm \/ 26mm Valves:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses a 33mm intake valve and 26mm exhaust valve configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Head Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides an assembled replacement cylinder head for compatible top-end repairs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMulti-Application Engine Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for selected pit bikes, dirt bikes, ATVs, go-karts, and Chinese motorcycles using the matching engine configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":56029032546472,"sku":"K075-053","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/lifan-125cc-52-4mm-cylinder-head-32t-cam_1.jpg?v=1790055700"},{"product_id":"102mm-big-bore-kit-yamaha-grizzly-rhino-raptor-660","title":"102mm Big Bore Cylinder Piston Kit for Yamaha Grizzly 660 Rhino 660 Raptor 660R","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade or rebuild a compatible Yamaha 660 top end with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e102mm big bore cylinder and piston kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed for selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGrizzly 660, Rhino 660, and Raptor 660R\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe stock Yamaha 660 engine uses an approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e100mm bore\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while this kit increases the bore to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e102mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. When used with the original 84mm stroke, the resulting displacement is approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e686cc-class\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe kit features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e102mm cylinder bore and 102mm piston\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with listed mounting dimensions of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120mm × 110mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm mounting-hole diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eMake\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eModel Code\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eYear Range\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eYamaha\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGrizzly 660\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYFM660\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2002–2008\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eYamaha\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRhino 660\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYXR660\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2004–2007\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eYamaha\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRaptor 660R\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYFM660R\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2001–2005\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eOEM Cross-Reference Numbers\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eYamaha 660 Cylinder Family\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e5KM-11310-00-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Cylinder\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3YF-11310-00-00 — Earlier cylinder reference\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3YF-11310-01-00 — Earlier cylinder reference\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRelated Yamaha 660 Top-End References\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3YF-11631-00-X0\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Standard piston reference\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3YF-11633-01-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Piston pin\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e93450-24028-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Piston pin circlip\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3YF-11181-00-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Cylinder head gasket\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3YF-11351-00-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Cylinder base gasket\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e93211-01467-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — O-ring\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e90105-10649-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Cylinder-related flange bolt\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e90105-09648-00\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Cylinder-head-related flange bolt\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant OEM Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e These OEM numbers identify the original Yamaha 660 engine family and related components. The aftermarket \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e102mm piston and cylinder are oversized parts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, so the original 100mm piston\/ring numbers should be treated as application references rather than exact dimensional replacements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBig Bore Cylinder \u0026amp; Piston Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Platform\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYamaha 660\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-Stroke, Single Cylinder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 102 mm \/ 4.02 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 102 mm \/ 4.02 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePiston Height\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 54 mm \/ 2.13 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting-Hole Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 120 mm \/ 4.72 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSecondary Mounting Spacing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 110 mm \/ 4.33 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eListed Mounting-Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 20 mm \/ 0.79 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStock 660 Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 100 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. Displacement with Stock Stroke\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e686cc-Class\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eReplacement Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket \/ Big Bore\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e102mm Big Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Increases bore from the standard 100mm Yamaha 660 configuration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e660 Engine Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for compatible Grizzly 660, Rhino 660, and Raptor 660R engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCylinder + Piston Kit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Intended for compatible top-end rebuilding or big-bore conversion.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOEM-Family Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cross-references the original 5KM \/ 3YF Yamaha 660 cylinder and piston family.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimension-Based Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 102mm bore, piston dimensions, mounting pattern, and gasket shape should all be checked before installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":56029125279912,"sku":"K075-056","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/102mm-big-bore-kit-yamaha-grizzly-rhino-raptor-660_1.jpg?v=1790056568"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/collections\/GOOFIT-Performance-Big-Bore-Cylinder-Kit-GY6-80cc-0_2d73a497-4986-4467-9619-15c5a1cb5354.jpg?v=1770779661","url":"https:\/\/goofitmoto.com\/collections\/cylinder-kits.oembed?page=2","provider":"GOOFIT Moto","version":"1.0","type":"link"}