{"product_id":"gy6-50cc-139qmb-final-drive-gear","title":"GY6 50cc (139QMB) Final Drive Gear","description":"\u003ch2\u003eFinal Drive Gear for CSC Scooters and 139QMB Engines\u003c\/h2\u003e\u003cp\u003eThis final drive gear is designed for CSC scooters including the go, go MAX models, and Pug50, as well as any bikes equipped with 139QMB engines. It ensures proper power transfer from the engine to the wheels, maintaining reliable performance. As one of the significant \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e, it offers a dependable solution for your scooter maintenance needs.\u003c\/p\u003e\u003ch3\u003e19-Spline Design\u003c\/h3\u003e\u003cp\u003eThe final drive gear features a 19-spline design, ensuring a secure fit with compatible components. This design allows for efficient power transmission and smooth operation. It is important to replace this part if you notice any issues with acceleration or overall performance.\u003c\/p\u003e\u003ch3\u003eCompatibility and Fitment\u003c\/h3\u003e\u003cp\u003eThis part is compatible with various engine models, facilitating straightforward installation on suitable scooters. It is important to verify that your engine code contains \"QM\" or \"FM\" for compatibility.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Splines:\u003c\/strong\u003e 19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (spline peak to peak):\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 15.7mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis final drive gear fits the following vehicles and engines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCSC scooters including go and go MAX\u003c\/li\u003e\n\u003cli\u003ePug50\u003c\/li\u003e\n\u003cli\u003eEngines: 139QMB, 139QMA, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD, and other QMA\/QMB models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-transmission\"\u003eScooter Transmission \u0026amp; Final Drive\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Magic Cars","offers":[{"title":"Default Title","offer_id":52800363135207,"sku":"25-914843","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/final-drive-gear-for-gy6-50cc-139qmb-1.jpg?v=1791665751","url":"https:\/\/www.magiccars.com\/products\/gy6-50cc-139qmb-final-drive-gear","provider":"MagicCars","version":"1.0","type":"link"}