{"product_id":"cam-chain-tensioner-for-csc-go-gy6-50cc-139qmb-scooters","title":"Cam Chain Tensioner for CSC Go., GY6 50cc (139QMB) Scooters","description":"\u003ch2\u003eCam Chain Tensioner for CSC Go Scooters with 139QMB Engines\u003c\/h2\u003e\u003cp\u003eThis OEM-style cam chain tensioner is made to replace the original unit on CSC Go scooters and motorcycles that use the 139QMB engine. It keeps the right amount of tension on the camshaft chain so the engine runs smoothly. It belongs to the same family of \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e and installs in place of the stock component, so your scooter can return to proper working condition.\u003c\/p\u003e\u003ch3\u003eConstruction and Function\u003c\/h3\u003e\u003cp\u003eThe tensioner's job is to grip the cam chain firmly and stop it from going slack, since slack can cause engine noise or a drop in performance. It measures 7-3\/4 inches long and has a 6mm inner hole, matching the original equipment exactly. It is manufactured to the specifications of the 139QMB engine for dependable operation.\u003c\/p\u003e\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\u003cp\u003eConsider swapping out the cam chain tensioner if the engine starts making unfamiliar sounds or if you notice it running worse than before. Inspecting it during routine service makes it easier to spot signs of wear. Keeping this part in good shape supports the engine's overall function.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 7-3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Hole Diameter:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e CSC Go, Bella Classic 50, Go Max, Nitro Sport 50 and Pug 50 with 139QMB-based 50cc engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 50cc (139QMB)\u003c\/li\u003e\n\u003cli\u003eCSC Go\u003c\/li\u003e\n\u003cli\u003eCSC Bella Classic 50\u003c\/li\u003e\n\u003cli\u003eCSC Go Max\u003c\/li\u003e\n\u003cli\u003eCSC Nitro Sport 50\u003c\/li\u003e\n\u003cli\u003eCSC Pug 50\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check the engine code stamped on the engine casing against this list: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB or 147QMD.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #2 on the cylinder crankshaft diagram for the GY6 50cc (139QMB), CSC Go; part #2 on the cylinder crankshaft diagram for the CSC Bella Classic 50; part #2 on the cylinder crankshaft diagram for the CSC Go Max.\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":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51138172092473,"sku":"TT-24616","price":2.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/cam-chain-tensioner-for-csc-go-gy6-50cc-139qmb-scooters-1.jpg?v=1794372439","url":"https:\/\/www.trendtimes.com\/products\/cam-chain-tensioner-for-csc-go-gy6-50cc-139qmb-scooters","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}