{"product_id":"chinese-50cc-gy6-50cc-139qmb-complete-engine-gasket-set","title":"Chinese 50cc GY6 50cc (139QMB) Complete Engine Gasket Set","description":"\u003ch2\u003eFull Gasket Kit for GY6 50cc 4-Stroke Engines\u003c\/h2\u003e\u003cp\u003eThis complete engine gasket kit suits GY6 50cc 4-stroke engines, including the QMB139 model. It supplies every seal and gasket needed for a full engine rebuild, whether you are servicing the top end or opening the crankcase. The kit is one of the essential \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e for stopping leaks and bringing back proper engine compression.\u003c\/p\u003e\u003ch3\u003eWhat Is in the Kit\u003c\/h3\u003e\u003cp\u003eThe set covers a range of engine areas. Included are case gaskets for the crankcase and the stator\/magneto cover, plus top-end sealing pieces such as the cylinder head gasket, base gasket, and valve cover gasket. The kit also contains a CVT cover gasket, a crush-type exhaust gasket, and an O-ring for the intake manifold spacer.\u003c\/p\u003e\u003ch3\u003ePreparing for Installation\u003c\/h3\u003e\u003cp\u003eClean every mating surface and remove all traces of old gasket material before fitting the new parts. Careful preparation helps prevent leaks and gives a firm seal. The kit works with both short and long case engines, so pick the correct size to match your engine.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-density gasket material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine case, top end, CVT, exhaust, and intake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 139QMB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc 4-stroke QMB139 engines (1P39QMB), in 44mm or 48mm bore and short or long case sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 50cc 4-stroke QMB139 \/ 1P39QMB engines (44mm bore, stock 50cc, short case or long case)\u003c\/li\u003e\n\u003cli\u003eGY6 50cc 4-stroke QMB139 \/ 1P39QMB engines (48mm bore, 72cc or 80cc big bore kits, short case or long case)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Select the bore size that matches your cylinder: 44mm for a stock 50cc engine, or 48mm for a 72cc or 80cc big bore kit. Select the case type by measuring the CVT cover: Short Case (SC) measures 15 11\/16\" (398mm) and uses 8 bolts, while Long Case (LC) measures 17\" (432mm) and uses 11 bolts.\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-gaskets-seals\"\u003eScooter Gaskets \u0026amp; Seals\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":"Trend Times Toy Stores","offers":[{"title":"44-SC","offer_id":51134433132601,"sku":"TT-15576","price":13.98,"currency_code":"USD","in_stock":true},{"title":"48-LC","offer_id":51134433165369,"sku":"TT-15577","price":13.98,"currency_code":"USD","in_stock":false},{"title":"52-LC","offer_id":51134433198137,"sku":"TT-15578","price":13.98,"currency_code":"USD","in_stock":true},{"title":"52-SC","offer_id":51134433230905,"sku":"TT-15579","price":11.98,"currency_code":"USD","in_stock":false},{"title":"48-SC","offer_id":51134433263673,"sku":"TT-15580","price":13.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/chinese-50cc-gy6-50cc-139qmb-complete-engine-gasket-set-1.webp?v=1794343846","url":"https:\/\/www.trendtimes.com\/products\/chinese-50cc-gy6-50cc-139qmb-complete-engine-gasket-set","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}