{"product_id":"performance-variator-drive-face-for-50cc-139qmb-gy6-50","title":"Performance Variator Drive Face for 50cc (139QMB) \/ GY6 50","description":"\u003ch2\u003ePerformance Variator Drive Face for 50cc QMB139 and GY6 Engines\u003c\/h2\u003e\u003cp\u003eThis CNC-milled Performance Variator Drive Face is made for the 50cc QMB139 (GY6) engine family. It can reduce belt slippage and sharpen throttle response, which makes it a useful upgrade for better performance. Browse more \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e. This piece takes the place of the stock cast face, which may wear grooves that slow acceleration and disrupt gear changes.\u003c\/p\u003e\u003ch3\u003eCNC Machined Precision\u003c\/h3\u003e\u003cp\u003eThe drive face has a precision-cut surface that gives a flat contact area. This layout cuts down on friction and heat, helping to stop belt slip and boost overall efficiency throughout the rev range. The red anodized coating looks sharp and also helps dissipate heat, which can extend the drive belt's service life.\u003c\/p\u003e\u003ch3\u003eCompatibility and Installation Notes\u003c\/h3\u003e\u003cp\u003eThis drive face is built to work with the stock electric start and kick start parts, along with the factory plastic cooling fan. When swapping it in, plan to move the kick start gear and cooling fan over from your old unit, since neither comes with this part.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC machined aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Red anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpline Count:\u003c\/strong\u003e 26\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 139QMB \/ QMB139 \/ GY6 50cc 4-stroke engines (engine codes 139QMB, 1P39QMB, 139QMA)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e139QMB \/ QMB139 \/ GY6 50cc 4-stroke engines (139QMB, 1P39QMB, 139QMA)\u003c\/li\u003e\n\u003cli\u003eTaoTao, Wolf, Ice Bear, Bintelli, Kymco and SYM 50cc scooters with these engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check that your engine code is 139QMB, 1P39QMB or 139QMA, and confirm the crankshaft has a 26-spline center hub.\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-variators-rollers\"\u003eScooter Variators \u0026amp; Roller Weights\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":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135832358969,"sku":"TT-16533","price":67.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/performance-variator-drive-face-for-50cc-139qmb-gy6-50-1.webp?v=1794349849","url":"https:\/\/www.trendtimes.com\/products\/performance-variator-drive-face-for-50cc-139qmb-gy6-50","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}