{"product_id":"gy6-50cc-139qmb-cam-chain-guide-bolt","title":"GY6 50cc (139QMB) Cam Chain Guide Bolt","description":"\u003ch2\u003eCam Chain Guide Bolt for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThe cam chain guide bolt is a key component for maintaining the performance of your GY6 50cc engine. Specifically designed for 50cc 4-stroke QMB139 engines, this bolt ensures proper function and stability of the camshaft. It is one of the important \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that riders may need to replace when issues arise. A reliable cam chain guide bolt helps prevent engine misfires and other related problems.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eThis bolt secures the cam chain guide in place, which is important for proper camshaft operation. If you notice symptoms like low compression or unusual ticking sounds, it may indicate that head work is required, and confirming compatibility with your engine code is necessary.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M6x1.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e QMB139 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis cam chain guide bolt is compatible with QMB139 50cc\/49cc engines.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVarious makes\/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-cylinder-heads\"\u003eScooter Cylinder Heads \u0026amp; Valves\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-chains-sprockets\"\u003eScooter Chains \u0026amp; Sprockets\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":52795161444583,"sku":"25-902183","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/cam-chain-guide-bolt-for-gy6-50cc-139qmb-1.jpg?v=1791584079","url":"https:\/\/www.magiccars.com\/products\/gy6-50cc-139qmb-cam-chain-guide-bolt","provider":"MagicCars","version":"1.0","type":"link"}