{"product_id":"gy6-50cc-139qmb-performance-clutch-2000-rpm","title":"GY6 50cc (139QMB) Performance Clutch - 2000 RPM","description":"\u003ch2\u003ePerformance Clutch for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThis performance clutch suits GY6 50cc engines, in particular the 139QMB model. Its 2000 RPM clutch springs aim to sharpen engagement and throttle response off the line. Keeping this component in good shape matters for your scooter's performance. It is one of the simpler \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e you can fit yourself at home.\u003c\/p\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003cp\u003eThe clutch transfers power to the rear wheel once engine speed climbs. When the clutch wears down, you might notice shuddering or slipping. Firmer springs raise the RPM at which the clutch engages, which can help acceleration.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (Flat Side to Flat Side):\u003c\/strong\u003e 24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (Round Side to Round Side):\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Outer Diameter:\u003c\/strong\u003e 105mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Springs RPM:\u003c\/strong\u003e 2000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc, 60cc, 80cc and 100cc QMB139 4-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 50cc QMB139 4-stroke engines\u003c\/li\u003e\n\u003cli\u003eGY6 60cc QMB139 4-stroke engines\u003c\/li\u003e\n\u003cli\u003eGY6 80cc QMB139 4-stroke engines\u003c\/li\u003e\n\u003cli\u003eGY6 100cc QMB139 4-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChoosing the right size:\u003c\/strong\u003e Before buying, check the clutch bell's inner diameter. It is either 24mm flat side to flat side or 28mm round side to round side.\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-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134437720121,"sku":"TT-15633","price":42.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/gy6-50cc-139qmb-performance-clutch-2000-rpm-1.jpg?v=1794343910","url":"https:\/\/www.trendtimes.com\/products\/gy6-50cc-139qmb-performance-clutch-2000-rpm","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}