{"product_id":"carburetor-pd18-for-gy6-49cc-50cc-chinese-scooter-139qmb","title":"Carburetor PD18 with Electric Choke for 4-Stroke GY6 49cc 50cc Chinese Scooter 139QMB","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"164\" data-end=\"183\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"185\" data-end=\"341\"\u003eRestore smooth fuel delivery and reliable engine performance with this \u003cstrong data-start=\"256\" data-end=\"280\"\u003ePD18 18mm carburetor\u003c\/strong\u003e, designed for selected \u003cstrong data-start=\"304\" data-end=\"340\"\u003e4-stroke GY6 49cc \/ 50cc engines\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"343\" data-end=\"552\"\u003eThis replacement carburetor is suitable for many compatible \u003cstrong data-start=\"403\" data-end=\"434\"\u003eChinese scooters and mopeds\u003c\/strong\u003e using the \u003cstrong data-start=\"445\" data-end=\"455\"\u003e139QMB\u003c\/strong\u003e engine platform, including common applications from brands such as \u003cstrong data-start=\"523\" data-end=\"551\"\u003eTaoTao, Jonway, and Baja\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"554\" data-end=\"864\"\u003eEquipped with a \u003cstrong data-start=\"570\" data-end=\"604\"\u003e2-pin male plug electric choke\u003c\/strong\u003e, this carburetor helps deliver a proper air-fuel mixture for stable idle, smoother throttle response, and improved acceleration. It is also commonly used on compatible \u003cstrong data-start=\"773\" data-end=\"791\"\u003e100cc big bore\u003c\/strong\u003e setups when the intake size, air filter size, and choke connector match.\u003c\/p\u003e\n\u003ch2 data-section-id=\"199g6sg\" data-start=\"866\" data-end=\"890\"\u003eProduct Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand \/ Platform\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth align=\"right\"\u003eEngine \/ HP \/ CC\u003c\/th\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 Platform\u003c\/td\u003e\n\u003ctd\u003eChinese Scooter \/ Moped\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003ctd\u003ePlease verify\u003c\/td\u003e\n\u003ctd\u003eMatch by intake size, air filter size, and choke plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Code\u003c\/td\u003e\n\u003ctd\u003e139QMB\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003ctd\u003ePlease verify\u003c\/td\u003e\n\u003ctd\u003eCommon GY6 4-stroke scooter engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTaoTao\u003c\/td\u003e\n\u003ctd\u003eScooter \/ Moped\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003ctd\u003ePlease verify\u003c\/td\u003e\n\u003ctd\u003eVerify original carburetor size before purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJonway\u003c\/td\u003e\n\u003ctd\u003eScooter \/ Moped\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003ctd\u003ePlease verify\u003c\/td\u003e\n\u003ctd\u003eVerify original carburetor size before purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaja\u003c\/td\u003e\n\u003ctd\u003eScooter \/ Moped\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003ctd\u003ePlease verify\u003c\/td\u003e\n\u003ctd\u003eVerify original carburetor size before purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 Big Bore Setup\u003c\/td\u003e\n\u003ctd\u003eCompatible modified engines\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e100cc\u003c\/td\u003e\n\u003ctd\u003ePlease verify\u003c\/td\u003e\n\u003ctd\u003eMatch by intake, jetting, and air filter setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1889\" data-end=\"1906\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eCarburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarburetor Model\u003c\/td\u003e\n\u003ctd\u003ePD18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarburetor Size\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e4-Stroke GY6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Compatibility\u003c\/td\u003e\n\u003ctd\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engine Code\u003c\/td\u003e\n\u003ctd\u003e139QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBig Bore Compatibility\u003c\/td\u003e\n\u003ctd\u003eSelected 100cc big bore setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChoke Type\u003c\/td\u003e\n\u003ctd\u003eElectric Choke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChoke Plug Style\u003c\/td\u003e\n\u003ctd\u003e2-pin male plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntake Manifold Inner Diameter\u003c\/td\u003e\n\u003ctd\u003e18 mm \/ 0.70\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntake Manifold Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e28 mm \/ 1.10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Jet Size\u003c\/td\u003e\n\u003ctd\u003e#75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Filter Intake Inner Diameter\u003c\/td\u003e\n\u003ctd\u003e35 mm \/ 1.37\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Filter Intake Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e39 mm \/ 1.53\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Method\u003c\/td\u003e\n\u003ctd\u003eMatch by intake size, air filter size, choke plug, and original carburetor layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e100% New Aftermarket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"2639\" data-end=\"2654\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"2656\" data-end=\"3257\"\u003e\n\u003cli data-section-id=\"srew27\" data-start=\"2656\" data-end=\"2745\"\u003e\n\u003cstrong data-start=\"2658\" data-end=\"2689\"\u003ePD18 18mm Carburetor Design\u003c\/strong\u003e – Built for selected GY6 49cc \/ 50cc 4-stroke engines\u003c\/li\u003e\n\u003cli data-section-id=\"1514yn\" data-start=\"2746\" data-end=\"2847\"\u003e\n\u003cstrong data-start=\"2748\" data-end=\"2779\"\u003e139QMB Engine Compatibility\u003c\/strong\u003e – Suitable for many common Chinese scooter and moped applications\u003c\/li\u003e\n\u003cli data-section-id=\"15vledv\" data-start=\"2848\" data-end=\"2945\"\u003e\n\u003cstrong data-start=\"2850\" data-end=\"2874\"\u003e2-Pin Electric Choke\u003c\/strong\u003e – Designed for vehicles using a 2-pin male plug electric choke setup\u003c\/li\u003e\n\u003cli data-section-id=\"3rsq6u\" data-start=\"2946\" data-end=\"3041\"\u003e\n\u003cstrong data-start=\"2948\" data-end=\"2964\"\u003e#75 Main Jet\u003c\/strong\u003e – Common jet size for compatible 50cc and selected big bore configurations\u003c\/li\u003e\n\u003cli data-section-id=\"13d3nqx\" data-start=\"3042\" data-end=\"3139\"\u003e\n\u003cstrong data-start=\"3044\" data-end=\"3070\"\u003eStable Air-Fuel Mixing\u003c\/strong\u003e – Helps support smoother idle, throttle response, and acceleration\u003c\/li\u003e\n\u003cli data-section-id=\"33nn1c\" data-start=\"3140\" data-end=\"3257\"\u003e\n\u003cstrong data-start=\"3142\" data-end=\"3179\"\u003eBrand New Aftermarket Replacement\u003c\/strong\u003e – Practical replacement for worn, clogged, or poorly performing carburetors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"6hv2og\" data-start=\"3596\" data-end=\"3615\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cp data-start=\"3617\" data-end=\"3671\"\u003e\u003cstrong data-start=\"3617\" data-end=\"3671\"\u003e1 × PD18 18mm Carburetor with 2-Pin Electric Choke\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"smnv30\" data-start=\"3673\" data-end=\"3688\"\u003eFitment Note\u003c\/h2\u003e\n\u003cp data-start=\"3690\" data-end=\"3856\"\u003ePlease confirm your \u003cstrong data-start=\"3710\" data-end=\"3839\"\u003eengine type, intake manifold diameter, air filter intake size, choke plug style, jet size, and original carburetor appearance\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003cp data-start=\"3858\" data-end=\"4117\"\u003eThis carburetor is intended for selected \u003cstrong data-start=\"3899\" data-end=\"3942\"\u003e4-stroke GY6 49cc \/ 50cc 139QMB engines\u003c\/strong\u003e and some compatible \u003cstrong data-start=\"3963\" data-end=\"3981\"\u003e100cc big bore\u003c\/strong\u003e setups. Compatibility may vary by scooter brand, intake manifold, air box setup, throttle cable, choke connector, and fuel line layout.\u003c\/p\u003e\n\u003cp data-start=\"4119\" data-end=\"4321\"\u003eIf you are unsure about compatibility, contact us with your \u003cstrong data-start=\"4179\" data-end=\"4304\"\u003evehicle model, engine size, original carburetor photos, intake measurement, air filter measurement, and choke plug photos\u003c\/strong\u003e before purchase.\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473276162216,"sku":"N090-073-1","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/GOOFIT-PD18-18mm-Carburetor-for-4-Stroke-GY6-49cc-0.jpg?v=1770782801","url":"https:\/\/goofitmoto.com\/products\/carburetor-pd18-for-gy6-49cc-50cc-chinese-scooter-139qmb","provider":"GOOFIT Moto","version":"1.0","type":"link"}