{"product_id":"gy6-qmb-engines-clutch-retaining-nut","title":"GY6 \/ QMB Engines Clutch Retaining Nut","description":"\u003ch2\u003eClutch Retaining Nut for GY6 and 139QMB Engines\u003c\/h2\u003e\u003cp\u003eThis clutch retaining nut secures the rear clutch assembly to the pulley shaft on GY6 and 139QMB scooter engines. It is designed to suit several setups, including 50cc, 125cc, and 150cc models. If you are looking at parts for a smaller displacement machine, you can browse our \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e to see what else is available for your drivetrain.\u003c\/p\u003e\u003ch3\u003eSigns It May Need Replacing\u003c\/h3\u003e\u003cp\u003eThink about swapping out the clutch retaining nut if the rear clutch is acting up or if you have the pulley apart for service. These nuts can wear or get damaged over time, which may lead to the clutch slipping out of engagement. Checking it during routine maintenance can help you avoid bigger problems later.\u003c\/p\u003e\u003ch3\u003eWhat You Need for Installation\u003c\/h3\u003e\u003cp\u003eA 39mm socket is needed to tighten this nut, and an impact tool works best. Using the right tools helps the nut seat firmly for dependable operation. Follow the torque figures for your particular engine so the nut is neither overtightened nor stripped.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 623A19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M28 x 4mm pitch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e GY6 50cc \/ 125cc \/ 150cc, 139QMB 49cc \/ 50cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Driven pulley \/ clutch assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Tool:\u003c\/strong\u003e 39mm socket (impact recommended)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 150cc (157QMJ) driven pulley clutch assembly; GY6 50cc\/125cc and 139QMB engines also listed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 150cc (157QMJ)\u003c\/li\u003e\n\u003cli\u003eGY6 50cc \/ 125cc (139QMB 49cc \/ 50cc also listed)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSelection tip:\u003c\/strong\u003e Pair a 39mm socket (impact recommended) with an M28 x 4mm pitch thread to make sure the nut matches your clutch shaft.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLocation in assembly:\u003c\/strong\u003e Part #6 on the driven pulley diagram for the GY6 150cc (157QMJ).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related parts:\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-clutches\"\u003eScooter Clutches \u0026amp; Clutch Springs\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\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":51138643329081,"sku":"TT-26525","price":3.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/clutch-retaining-nut-for-gy6-qmb-engines-1.jpg?v=1794376511","url":"https:\/\/www.trendtimes.com\/products\/gy6-qmb-engines-clutch-retaining-nut","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}