{"product_id":"complete-valve-assembly-for-csc-go-gy6-50cc-139qmb","title":"Complete Valve Assembly for CSC Go., GY6 50cc (139QMB)","description":"\u003ch2\u003eFull Valve Assembly for CSC Go, Go MAX, and Pug Scooters\u003c\/h2\u003e\u003cp\u003eThis valve set is a drop-in replacement for the original parts on CSC Go, Go MAX, and Pug scooters that use 139QMB (50cc 4-stroke) engines. With use, the factory valves can wear down and affect how the engine runs. This component is made to bring back proper operation and dependable performance. It belongs to a range of \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that can help keep your scooter running well.\u003c\/p\u003e\u003ch3\u003eSigns It Is Time for a New Valve Assembly\u003c\/h3\u003e\u003cp\u003eConsider replacing the valve assembly if the engine starts to misfire, makes unusual noise, or loses power. Gradual wear can affect the valves and make the engine less efficient. Checking the valves on a regular schedule makes it easier to spot when a replacement is due.\u003c\/p\u003e\u003ch3\u003eInstallation Fit\u003c\/h3\u003e\u003cp\u003eThis valve assembly is built to go straight into the engine in the place of the original piece. Its 5mm shaft diameter and 64mm valve length match the original layout. Correct alignment and seating of the valves are necessary for the engine to work as intended.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Length:\u003c\/strong\u003e 64mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Diameter:\u003c\/strong\u003e 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Valve Diameter:\u003c\/strong\u003e 18.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Valve Diameter:\u003c\/strong\u003e 16mm\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 CSC go, go MAX and Pug scooters and bikes with 139QMB 50cc 4-stroke engines (64mm valves)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChicago Scooter Company go (139QMB 50cc 4-stroke engine, 64mm valves)\u003c\/li\u003e\n\u003cli\u003eChicago Scooter Company go MAX (139QMB 50cc 4-stroke engine, 64mm valves)\u003c\/li\u003e\n\u003cli\u003eChicago Scooter Company Pug50 (139QMB 50cc 4-stroke engine, 64mm valves)\u003c\/li\u003e\n\u003cli\u003e139QMB-based 50cc and 80cc engines with codes 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD, other QMA and QMB models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Compare the engine code on your motor with 139QMB or one of the codes above. Any code that contains QM or FM is listed as compatible.\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-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51138786295865,"sku":"TT-26739","price":19.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/complete-valve-assembly-for-csc-go-gy6-50cc-139qmb-1.jpg?v=1794377777","url":"https:\/\/www.trendtimes.com\/products\/complete-valve-assembly-for-csc-go-gy6-50cc-139qmb","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}