{"product_id":"gearbox-o-ring-for-scooters-mopeds","title":"Gearbox O-ring for Scooters \u0026 Mopeds","description":"\u003ch2\u003eGearbox O-ring for 50cc 4-Stroke QMB139 Engines\u003c\/h2\u003e\u003cp\u003eThis gearbox O-ring is designed for use with 50cc 4-stroke QMB139 engines, providing a reliable seal for your scooter or moped. It plays a key role in maintaining proper oil and fuel containment, helping to prevent leaks that can affect performance. It is one of the simpler \u003ca href=\"\/collections\/scooter-gaskets-seals\"\u003escooter gaskets \u0026amp; seals\u003c\/a\u003e to replace at home, ensuring your engine remains sealed and functional. Whenever you service your scooter or notice any leaks, this O-ring should be replaced to maintain engine integrity.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eO-rings and seals are important for keeping oil, fuel, and compression contained within the engine. They should be changed whenever you perform maintenance on your scooter or if you detect any leaks to avoid further engine issues.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 7.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 10.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 1.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e QMB139 50cc\/49cc engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis O-ring is compatible with 50cc 4-stroke QMB139 engines, suitable for various makes and models.\u003c\/p\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\/scooter-gaskets-seals\"\u003eScooter Gaskets \u0026amp; Seals\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":52795154661607,"sku":"25-902001","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/gearbox-o-ring-1.jpg?v=1791584030","url":"https:\/\/www.magiccars.com\/products\/gearbox-o-ring-for-scooters-mopeds","provider":"MagicCars","version":"1.0","type":"link"}