{"product_id":"gy6-50cc-139qmb-with-12-wheel-left-crankcase","title":"GY6 50cc (139QMB) with 12\" Wheel Left Crankcase","description":"\u003ch2\u003eLeft Crankcase for GY6 50cc 4-Stroke Engines\u003c\/h2\u003e\u003cp\u003eThis left crankcase is designed specifically for 50cc 4-stroke QMB139 engines, ensuring a precise fit and reliable performance. If your engine is experiencing leaks or other issues, a replacement may be necessary. A straight and true wheel is important for stable handling and to prevent uneven tire wear. This part is one of the \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that mechanics often swap out during maintenance or repair. Be sure to verify the dimensions before making your purchase.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eConsider replacing the left crankcase if you notice issues such as engine leaks or if the casing is cracked or damaged. A functioning crankcase is important for the engine's operation and longevity, as it houses critical components that affect performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Left Crankcase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 50cc 4-Stroke QMB139\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 12 inch rear wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Left\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis crankcase fits various 50cc scooters utilizing the QMB139 engine. It is compatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQMB139 50cc\/49cc 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-wheels-rims\"\u003eScooter Wheels \u0026amp; Rims\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-engines\"\u003eScooter Engines \u0026amp; Engine Parts\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":52795146862823,"sku":"25-901900","price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/left-crankcase-for-gy6-50cc-139qmb-w-12-wheel-1.webp?v=1791583978","url":"https:\/\/www.magiccars.com\/products\/gy6-50cc-139qmb-with-12-wheel-left-crankcase","provider":"MagicCars","version":"1.0","type":"link"}