{"product_id":"universal-parts-qmb139-cvt-cover-gasket-long-151-286","title":"Universal Parts QMB139 CVT Cover Gasket - Long","description":"\u003ch2\u003eQMB139 Long Case CVT Gasket\u003c\/h2\u003e\u003cp\u003eProtect your drive belt and clutch components from road grime and moisture with the \u003cstrong\u003eUniversal Parts CVT Cover Gasket\u003c\/strong\u003e. Specifically designed for \"Long Case\" 50cc and 80cc 4-stroke QMB139 engines, this gasket ensures a precise seal between the engine crankcase and the transmission cover. A fresh gasket is essential every time you open your CVT for maintenance to prevent debris from entering the housing, which can cause premature belt wear and clutch slippage.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Case Optimized:\u003c\/strong\u003e Measuring 17 inches in length, this gasket is the dedicated fit for larger 50cc scooters utilizing 12-inch or 13-inch rear wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Bolt Precision Alignment:\u003c\/strong\u003e Features 10 accurately punched bolt holes to match factory mounting points, ensuring a wrinkle-free installation and a uniform seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Compression Gasket Material:\u003c\/strong\u003e Manufactured from durable, oil-resistant composite paper that compresses slightly upon installation to fill minor surface imperfections in the metal casing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDebris \u0026amp; Moisture Barrier:\u003c\/strong\u003e Engineered to keep out dust, water, and road salt, preserving the life of your variator, rollers, and drive belt.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis gasket fits \u003cstrong\u003eLong Case 139QMB-based 50cc \/ 80cc engines\u003c\/strong\u003e. If your engine code includes \"QM\" or \"FM\" and your cover is approximately 17\" long, this is the correct part:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Codes\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCommon Brands\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMB, 1P39QMB, 139QMA, YN139QMB\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eTaoTao:\u003c\/strong\u003e Lancer, ATM50 (Long Case models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJJ1P39QMB, 147QMD, 1P39QMA-2\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eWolf Brand:\u003c\/strong\u003e EX-150 Style Chassis (50cc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBD1P39QMB, BN139QMB, 139FMA-2\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBintelli \/ ZNEN:\u003c\/strong\u003e Various Large-Frame 50cc Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 17 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidest Point:\u003c\/strong\u003e 7 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Hole Count:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e QMB139 \/ GY6 50cc (Long Case)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This is for the \u003cstrong\u003eLong Case\u003c\/strong\u003e engine only (usually found on scooters with 12\" wheels). If your CVT cover is roughly 16 inches long, you need the \"Short Case\" version. \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Never use RTV silicone on a CVT gasket; it makes future belt changes incredibly difficult. \u003cstrong\u003eCheck your \u003ca href=\"https:\/\/www.scooterworks.com\"\u003eCVT Drive Belt\u003c\/a\u003e\u003c\/strong\u003e for cracks while the cover is off!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 151-286 \u003cbr\u003e\u003cstrong\u003eMPN:\u003c\/strong\u003e 4882 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Universal Parts\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":50074754253080,"sku":"151-286","price":4.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/SKU151-286.png?v=1748553765","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-qmb139-cvt-cover-gasket-long-151-286","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}