{"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","url":"https:\/\/goofitmoto.com\/products\/goofit-39mm-cylinder-rebuild-kit-gy6-50cc-4-stroke-scooter-atv","provider":"GOOFIT Moto","version":"1.0","type":"link"}