{"product_id":"gy6-50cc-139qmb-pulley","title":"GY6 50cc (139QMB) Pulley","description":"\u003ch2\u003eGY6 50cc Pulley for 50cc Scooters\u003c\/h2\u003e\u003cp\u003eThis GY6 50cc pulley is designed specifically for scooters equipped with the 139QMB engine. It plays an important role in managing the automatic transmission, influencing both acceleration and top speed. This part is one of the basic \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that can significantly impact your riding experience. Replace it to restore performance and responsiveness.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eThe variator and roller weights in this pulley determine how efficiently your scooter accelerates and reaches its maximum speed. If your rollers are worn or damaged, you may notice sluggish starts and reduced top speeds. Choosing the right roller weight can improve acceleration or cruising speed, depending on your riding preferences.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc engine (139QMB)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis part is compatible with scooters using the GY6 50cc engine.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVarious 50cc scooter models\u003c\/li\u003e\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-variators-rollers\"\u003eScooter Variators \u0026amp; Roller Weights\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":52800361726183,"sku":"25-914695","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/pulley-for-gy6-50cc-139qmb-1.jpg?v=1791665741","url":"https:\/\/www.magiccars.com\/products\/gy6-50cc-139qmb-pulley","provider":"MagicCars","version":"1.0","type":"link"}