{"product_id":"gy6s-169-537-ssp-g-gy6-150cc-232ccperformance-clutch-drum-12-spoke","title":"SSP-G GY6 150cc - 232ccPERFORMANCE CLUTCH DRUM - 12 SPOKE","description":"\u003ch2\u003eCooling Under Pressure: SSP-G 12-Spoke Performance Clutch Bell\u003c\/h2\u003e \u003cp\u003eEliminate clutch fade and improve take-off consistency with the \u003cstrong\u003eSSP-G 12-Spoke Performance Clutch Drum\u003c\/strong\u003e. Engineered for 125cc to 170cc \u003cstrong\u003eGY6 engines\u003c\/strong\u003e, this high-performance bell features a specialized 12-spoke vented design. This open architecture drastically improves airflow within the CVT case, allowing heat to escape rapidly and preventing the clutch pads from \"glazing\" during aggressive stop-and-go riding or off-road use.\u003c\/p\u003e \u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVented 12-Spoke Design:\u003c\/strong\u003e Maximizes heat dissipation to keep clutch temperatures low, ensuring a consistent bite and preventing power-robbing slip.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision Balanced:\u003c\/strong\u003e CNC-machined to exacting tolerances to eliminate high-RPM vibration, protecting your final drive bearings and ensuring a smooth power delivery.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced Friction Surface:\u003c\/strong\u003e The internal drum surface is optimized for rapid engagement, reducing \"shudder\" during low-speed take-offs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUniversal GY6 Compatibility:\u003c\/strong\u003e Features a standard 19-spline interface, making it a direct-fit upgrade for nearly all 150cc-based 4-stroke scooters, ATVs, and karts.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e \u003cp\u003eThis performance drum is a direct replacement for \u003cstrong\u003e125cc \/ 150cc \/ 170cc\u003c\/strong\u003eengines with the following codes:\u003c\/p\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eEngine Codes\u003c\/th\u003e \u003cth\u003eCompatibility Status\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eQMJ \/ QMI Series\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e157QMJ, 152QMI, 1P57QMJ, 161QMK\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePerformance Variants\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eYN1P57QMJ, BN157QMJ, JJ157QMJ, BN161QMK-A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFitment Note\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCompatible with any 125cc+ engine code containing \"QM\" or \"FM\".\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 125mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 136mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Splines:\u003c\/strong\u003e 19\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpline Diameter:\u003c\/strong\u003e 13.5mm (Peak) \/ 15mm (Valley)\u003c\/li\u003e \u003c\/ul\u003e \u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e Heat is the #1 killer of GY6 clutches. \u003cstrong\u003ePerformance Tip:\u003c\/strong\u003e If you notice your scooter \"shaking\" or losing power on take-off after it gets hot, your stock bell is likely trapped heat and glazing the pads. \u003cstrong\u003e \u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e","brand":"ChinesePartsPro","offers":[{"title":"Default Title","offer_id":53556393083192,"sku":"169-537","price":34.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0011\/8898\/6997\/files\/169-537.main.01.default__77777.1707854927.jpg?v=1792867880","url":"https:\/\/www.chinesepartspro.com\/products\/gy6s-169-537-ssp-g-gy6-150cc-232ccperformance-clutch-drum-12-spoke","provider":"ChinesePartsPro","version":"1.0","type":"link"}