{"product_id":"ncy-racing-clutch-performance-gy6-50cc-qma-139qmb-engines","title":"NCY Racing Clutch - Performance GY6 50cc QMA\/ 139QMB Engines","description":"NCY Performance Racing Clutch for GY6 50cc \/ 139QMB Upgrade your takeoff and mid-range acceleration with the NCY Racing Clutch . Specifically engineered for 50cc 139QMB engines , this premium clutch features lightweight gray clutch shoes and stiff 2000 RPM red springs. By allowing the engine to reach a higher power band before engagement, you’ll experience a snappier throttle response and eliminate \"bogging\" during initial acceleration. Manufactured in Taiwan to ISO 9001 standards, NCY is the trusted leader in aftermarket CVT performance, offering superior durability and heat resistance compared to stock OEM components. Performance Specifications: Clutch ID: 24.3mm \u0026lt; 28mm Outer Diameter (OD): 105mm Engagement: Pre-installed 2000 RPM Red Clutch Springs Weight: Optimized lightweight gray clutch shoes for faster rotation Compatibility \u0026amp; Fitment: Fits most 139QMB-based 50cc \/ 80cc Chinese Honda Clone 4-stroke engines and Genuine 2-Stroke models . If your engine code contains \"QM\" or \"FM\", this product is a direct-fit performance upgrade. Genuine Scooters: Buddy 50, RoughHouse 50, Black Cat, Rattler 50 Chicago Scooter Company: go., go. MAX, Bella, Pug, Nitro SYM \/ Lance: Fiddle 50, Mio 50, Symply 50, Cali Classic, PCH 50 Chinese GY6 50cc: TaoTao, Wolf, Ice Bear, Bintelli, Kymco, and more. ?? Critical Installation Note for Honda Owners: If installing on a Honda Ruckus (GET) or Honda Metropolitan (GET 2012+) , you MUST upgrade to the NCY secondary sliding sheave\/pulley shaft (SKU: 1200-1268). This racing clutch is not compatible with the stock Honda pulley shaft. Pair this clutch with an NCY Performance Bell and Variator for the ultimate CVT transmission overhaul. NOTE: Performance parts are not returnable. Ensure model fitment before purchase.","brand":"ncy","offers":[{"title":"Default Title","offer_id":48045199917243,"sku":"1200-1055","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/FA524386-74B6-4E67-9974-4C707F42405C.jpg?v=1783053906","url":"https:\/\/thriftyscooters.com\/products\/ncy-racing-clutch-performance-gy6-50cc-qma-139qmb-engines","provider":"Thrifty Scooters","version":"1.0","type":"link"}