{"title":"Dr. Pulley Clutches and Variators","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eShop Dr Pulley clutches and variators for maximum scooter performance. Upgrade acceleration, throttle response, and power transfer with precision-engineered transmission components.\u003c\/p\u003e","products":[{"product_id":"dr-pulley-variator-genuine-buddy-125150170i-gy6-1200-1135","title":"Dr. Pulley Performance Variator - GY6, Genuine, Lance, KYMCO","description":"\u003cp\u003eEliminate mid-range flat spots and unlock the full acceleration potential of your Genuine Buddy or GY6-powered scooter with the Dr. Pulley High-Performance Variator Assembly. Engineered in Taiwan to ISO 9001 standards, this complete variator features redesigned roller ramp geometry for smoother shifting, snappier throttle response, and a higher top-end cruising speed — a proven upgrade over the stock unit. SKU: 1200-1135 | MPN: V181401.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOptimized ramp plate geometry for stable, fluid shifting from launch to WOT\u003c\/li\u003e\n\u003cli\u003eHigh-density aluminum alloy construction for heat dissipation and low wear\u003c\/li\u003e\n\u003cli\u003eSelf-lubricating slider guides for consistent face alignment\u003c\/li\u003e\n\u003cli\u003ePrecision-balanced 114mm drive face machined to factory tolerances\u003c\/li\u003e\n\u003cli\u003eISO 9001 certified — made in Taiwan since 1987\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKit Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVariator drive face\u003c\/li\u003e\n\u003cli\u003eDrive boss\u003c\/li\u003e\n\u003cli\u003eRamp plate\u003c\/li\u003e\n\u003cli\u003eSliding keys (slider guides)\u003c\/li\u003e\n\u003cli\u003eDoes NOT include roller weights (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDrive Face Outer Diameter: 114mm\u003c\/li\u003e\n\u003cli\u003eDrive Face Inner Diameter: 15mm\u003c\/li\u003e\n\u003cli\u003eDrive Boss Inner Diameter: 15mm\u003c\/li\u003e\n\u003cli\u003eDrive Boss Outer Diameter: 24mm\u003c\/li\u003e\n\u003cli\u003eSpline Count: 19-spline backing \/ 16-spline drive face\u003c\/li\u003e\n\u003cli\u003eMPN: V181401\u003c\/li\u003e\n\u003cli\u003eWeight: 6.0 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 8\" L x 6.5\" W x 3\" H\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenuine Scooter Co.\u003c\/td\u003e\n\u003ctd\u003eBuddy 125, Buddy 150, Buddy 170i, Hooligan 170i, Blur 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKYMCO\u003c\/td\u003e\n\u003ctd\u003ePeople 125, People 150, Agility 125\/150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSYM \/ Lance\u003c\/td\u003e\n\u003ctd\u003eFiddle II 125\/150, Fiddle III 150, Cali Classic 125\/150, Havana Classic 125\/150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWolf Brand Scooters\u003c\/td\u003e\n\u003ctd\u003eBlaze II, EX-150, Lucky II, Jet II, V150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIcebear\u003c\/td\u003e\n\u003ctd\u003ePMZ150-1, PMZ150-6-F, PMZ150-8, PMZ150-19 (Maddog 150), PMZ150-20, PMZ150-C-F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTaoTao \/ Tao Motors\u003c\/td\u003e\n\u003ctd\u003eLancer 150, Powermax 150, Quantum 150, VIP Future Champion 150, Falcon 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBintelli\u003c\/td\u003e\n\u003ctd\u003eAstro 150, Chelsea 150, Grand Prix 150, Heritage 150, Legend 150, Scorch 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZNEN \/ Chinese Brands\u003c\/td\u003e\n\u003ctd\u003eBMS, Fly Scooter, Jonway, Puma Cycles, Roketa, SSR Motorsports, Velocity (150cc platforms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eEngine Code Cross-Reference:\u003c\/strong\u003e Direct fit for 125cc, 150cc, and 169cc engines with case codes: 157QMJ, 1P57QMJ, JJ157QMJ, BN157QMJ, 161QMK, 1P61QMK, BN161QMK-A, 152QMI, YN1P57QMJ, 1P52FMI.\u003c\/p\u003e\u003ch2\u003eInstallation Tip\u003c\/h2\u003e\u003cp\u003eFor maximum acceleration gains, pair with Dr. Pulley Sliding Roller Weights. When installing, hold the ramp plate firmly from behind so the internal sliders don’t slip out of position. Do not use an impact gun to torque the variator nut without ensuring the drive belt is fully slack — a pinched belt during torquing can cause the nut to back off under load.\u003c\/p\u003e\u003ch2\u003eAbout Dr. Pulley\u003c\/h2\u003e\u003cp\u003eDr. Pulley is the world’s leading authority for aftermarket performance CVT parts, serving Honda, Yamaha, Vespa, KYMCO, GY6\/QMB-powered scooters, and more. ISO 9001 certified and manufactured in Taiwan since 1987.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOff-Road Use Only:\u003c\/strong\u003e This product is intended for off-road use only and is not intended for use on public roads or land. Not legal for use in California on pollution-controlled vehicles. Check local laws before installing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756775428376,"sku":"1200-1135","price":134.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1135_9b795365-03c4-4f8a-aa58-3d2bb6b9f3fe.jpg?v=1775098387"},{"product_id":"dr-pulley-hit-clutch-22spline-107mm-qmb139-kymco-1200-1177","title":"Dr. Pulley HiT Clutch (22spline, 107mm) 139QMB, Kymco","description":"\u003cp\u003eDr. Pulley high performance HiT clutch for 50cc 139QMB engines.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 169-223, SKU 169-224\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eGet quicker, harder launches and positive engagement with these HiT Clutches. They have everything you could want out of a performance clutch, from fantastic machining and craftsmanship to great feel and response.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter (bell): 107mm  \u003c\/li\u003e\n\u003cli\u003eOverall Height (bell): 34mm\u003c\/li\u003e\n\u003cli\u003eNumber of Splines (clutch bell): 22  \u003c\/li\u003e\n\u003cli\u003e60 Degree Pillow Springs  \u003c\/li\u003e\n\u003cli\u003eIncludes Assortment of Pillow Springs and Clutch Springs for fine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eAbout Dr. Pulley: \u003c\/strong\u003eDr. Pulley is the world's leading authority for aftermarket performance CVT parts for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1987, Dr. Pulley is ISO 9001 certified.\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756787421464,"sku":"1200-1177","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1177_dd004ad0-c99c-47ff-af5f-fc6e885dc59f.jpg?v=1695271873"},{"product_id":"drpulley-hit-clutch-16spline107mm-minarelli-yamaha-1200-1178","title":"Dr. Pulley HiT Clutch (16spline,107mm); Minarelli, Yamaha","description":"\u003cp\u003eDr. Pulley high performance HiT clutch for 50cc Genuine Buddy, RoughHouse, Rattler or Black Cat scooters, 2T Minarelli and 139QMB engines.\u003c\/p\u003e\u003cp\u003e\u0026gt;\u003c\/p\u003e\u003cp\u003eGet quicker, harder launches and positive engagement with these HiT Clutches. They have everything you could want out of a performance clutch, from fantastic machining and craftsmanship to great feel and response.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter (bell): 105mm \u003c\/li\u003e\n\u003cli\u003eOverall Height (bell): 33mm \u003c\/li\u003e\n\u003cli\u003eNumber of Splines (clutch bell): 16\u003c\/li\u003e\n\u003cli\u003e50 Degree Pillow Springs\u003c\/li\u003e\n\u003cli\u003eIncludes 3 sets of Pillow Springs and 6 sets of Clutch Springs for fine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility: \u003c\/strong\u003eModels below and bikes with 50cc Minarelli and 139QMB engines\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 100.035%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.1256%;\"\u003eGenuine Buddy 50\u003c\/td\u003e\n\u003ctd style=\"width: 50.4817%;\"\u003eGenuine RoughHouse 50\/50 Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.1256%;\"\u003eGenuine Rattler 50\u003c\/td\u003e\n\u003ctd style=\"width: 50.4817%;\"\u003eGenuine Black Cat 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eAbout Dr. Pulley: \u003c\/strong\u003eDr. Pulley is the world's leading authority for aftermarket performance CVT parts for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1987, Dr. Pulley is ISO 9001 certified.\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756787814680,"sku":"1200-1178","price":249.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1178_269028cf-fc05-4c65-92d3-dd99580b5761.jpg?v=1695271883"},{"product_id":"dr-pulley-high-performance-clutch-buddy-125150170i-gy6-1200-1179","title":"Dr. Pulley High Performance Clutch; Buddy 125\/150\/170i, GY6","description":"\u003cp\u003eDr. Pulley high performance HiT clutch for Genuine Buddy 125, 150 and 170i scooters and 125\/150cc GY6 bikes.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKUs 169-226, 169-227, 169-431\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eGet quicker, harder launches and positive engagement with these HiT Clutches. They have everything you could want out of a performance clutch, from fantastic machining and craftsmanship to great feel and response.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter (bell): 125mm  \u003c\/li\u003e\n\u003cli\u003eOverall Height (bell): 43mm  \u003c\/li\u003e\n\u003cli\u003eNumber of Splines (clutch bell): 19  \u003c\/li\u003e\n\u003cli\u003e50 Degree Pillow Springs\u003c\/li\u003e\n\u003cli\u003eIncludes 1 Nut Locker and 1 Torque Spring Washer  \u003c\/li\u003e\n\u003cli\u003eIncludes 3 sets of Pillow Springs and 5 sets of Clutch Springs for fine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility: \u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 99.9255%; height: 58.7814px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.3715%; height: 19.5938px;\"\u003eGenuine Buddy 125\u003c\/td\u003e\n\u003ctd style=\"width: 50.2511%; height: 19.5938px;\"\u003eGenuine Buddy 150 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.3715%; height: 19.5938px;\"\u003eGenuine Buddy 170i\u003c\/td\u003e\n\u003ctd style=\"width: 50.2511%; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%; height: 92.3125px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5625px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5625px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eAbout Dr. Pulley: \u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDr. Pulley is the world's leading authority for aftermarket performance CVT parts for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1987, Dr. Pulley is ISO 9001 certified.\u003c\/span\u003e\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756788666648,"sku":"1200-1179","price":398.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1179_9f6771ca-6065-4f69-b57f-2ab8f4a3f3b8.jpg?v=1695271908"},{"product_id":"dr-pulley-performance-clutch-sym-yamaha-250-1200-1180","title":"Dr. Pulley Performance Clutch; SYM, Yamaha 250","description":"\u003cp\u003eSuper high performance clutch by Dr Pulley for SYM RV250 and 250 cc Yamaha maxi-scooters, as well as Yamaha-style \"clone\" scooters from Taiwan and China.\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756789551384,"sku":"1200-1180","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1180_0709a73f-5224-4dab-8fca-1e662e087399.jpg?v=1695271919"},{"product_id":"dr-pulley-over-range-variator-yamaha-2t-1200-1184","title":"Dr. Pulley Over-Range Variator Kit: Yamaha 2T Minarelli","description":"\u003ch2\u003eMaximum Drive: Dr. Pulley Over-Range Performance Variator\u003c\/h2\u003e\u003cp\u003ePush your top speed and acceleration to the limit with the \u003cstrong\u003eDr. Pulley Over-Range Variator Kit\u003c\/strong\u003e. Designed for the serious enthusiast, this \"Over-Range\" system features an oversized 94mm pulley diameter and re-engineered ramp angles. This allows your drive belt to travel further than the factory variator permits, effectively giving your 2-stroke Minarelli engine a wider gear ratio for explosive take-offs and a significantly higher top-end cruising speed.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversized 94mm Face:\u003c\/strong\u003e Larger diameter than stock variators, providing a greater surface area for the belt to travel higher, resulting in increased top-end velocity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Ramp Geometry:\u003c\/strong\u003e Optimized for use with high-performance sliding weights, allowing for a smoother, more linear power band without the \"dead spots\" common in OEM units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Tuning Kit:\u003c\/strong\u003e Includes the variator boss, backing plate with sliders, drive face, and precision spacers to ensure perfect alignment and belt tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Heat Dissipation:\u003c\/strong\u003e Constructed from a lightweight, high-strength alloy designed to maintain consistent friction levels and prevent belt slip during aggressive riding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis 13mm spline variator is designed for \u003cstrong\u003e50cc 2-Stroke Minarelli (1PE40QMB\/Jog)\u003c\/strong\u003e engines:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBrand \/ Engine\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Model Series\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZuma 50 (Pre-2012), Jog 50, Vino 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdly \/ Hammerhead\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFox 50, Jet 50, Muddy Bug 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrank Specs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits \u003cstrong\u003e13mm\u003c\/strong\u003e Crankshaft \/ 17-Tooth Spline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Outer Diameter:\u003c\/strong\u003e 94mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (Boss):\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Spline:\u003c\/strong\u003e 13mm (17-Tooth)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e Variator, Drive Face, Back Plate, Sliders, and Spacers\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This is an \"Over-Range\" kit, meaning it is physically larger than your stock variator.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Because of the 94mm diameter, ensure your \u003cstrong\u003eStarter Bendix\u003c\/strong\u003e and crankcase have enough clearance; some minor material removal from the case may be required on specific clones.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e To get the most out of this kit, pair it with \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eDr. Pulley Sliding Weights\u003c\/a\u003e\u003c\/strong\u003e and a fresh \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eKevlar Drive Belt\u003c\/a\u003e\u003c\/strong\u003e to handle the increased gear range!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1200-1111 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Dr. Pulley\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756792041752,"sku":"1200-1184","price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1184_cec4d658-8b8b-4bc5-a561-9c2c272a4609.jpg?v=1695271956"},{"product_id":"dr-pulley-over-range-variator-yamaha-jog-90-2t-1200-1185","title":"Dr. Pulley Over-range Variator; Yamaha Jog 90 2T","description":"High Quality, High Performance variator from Dr. Pulley. This is a great upgrade for your bone stock or high performance engine. \n\nVariator kit includes, Back Plate with spacers, Drive Face, Pulley, Pulley Spacers, and Drive Boss.\n\n\u003cbr\u003e\u003cbr\u003e\n\nFits Yamaha Jog 90 2T engined scooters and Chinese scooters with 15-tooth designs.\n\n\u003cbr\u003e\u003cbr\u003e\n\n\u003cp\u003ePulley O.D. 94mm I.D. 21mm\n\n\u003c\/p\u003e\u003cp\u003eCrank Diameter. 16mm\n\n\u003c\/p\u003e\u003cp\u003eRamp Plate. 15 tooth 16mm\n\n\n\nHigh Quality, High Performance variator from Dr. Pulley. This is a great upgrade for your bone stock or high performance engine. \n\nVariator kit includes, Back Plate with spacers, Drive Face, Pulley, Pulley Spacers, and Drive Boss.\n\nPulley O.D. 94mm I.D. 21mm\n\nCrank Diameter. 16mm\n\nRamp Plate. 15 tooth 16mm\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46756792467736,"sku":"1200-1185","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1185_7676cf51-1b97-47fb-ba7f-462f33d8238d.jpg?v=1695271964"},{"product_id":"dr-pulley-performance-clutch-yamaha-zuma-125vino-125-1200-1205","title":"Dr. Pulley Performance Clutch; Yamaha Zuma 125,Vino 125","description":"\u003cp\u003eDr. Pulley high performance HiT clutch for Genuine Buddy 125, 150 and 170i scooters and 125\/150cc GY6 bikes.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eGet quicker, harder launches and positive engagement with these HiT Clutches. They have everything you could want out of a performance clutch, from fantastic machining and craftsmanship to great feel and response.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOverall Outer Diameter: 133mm\u003c\/li\u003e\n\u003cli\u003eInner Diameter: 15 mm\u003c\/li\u003e\n\u003cli\u003eCenter Opening: 33mm (width), 36mm (height) \u003c\/li\u003e\n\u003cli\u003eSpline Count: 16\u003c\/li\u003e\n\u003cli\u003e55 Degree Pillow Springs \u003c\/li\u003e\n\u003cli\u003eIncludes Several Sets of Pillow Springs and Clutch Springs for Fine Tuning \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility: \u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 99.9255%;\" width=\"100%\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 48.7003%;\"\u003eYamaha Zuma 125\u003c\/td\u003e\n\u003ctd style=\"width: 50.9223%;\"\u003eYamaha Vino 125\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%; height: 92.3125px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5625px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5625px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5625px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eAbout Dr. Pulley: \u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDr. Pulley is the world's leading authority for aftermarket performance CVT parts for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1987, Dr. Pulley is ISO 9001 certified.\u003c\/span\u003e\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46759580631320,"sku":"1200-1205","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1205_ce7c84b6-24be-430c-87d0-fe2f1c072e32.jpg?v=1695303259"},{"product_id":"dr-pulley-performance-variatoryamaha-zuma-125vino125-1200-1206","title":"Dr. Pulley Yamaha Zuma \u0026 Vino 125 Performance Variator","description":"\u003cp\u003eStop leaving performance on the table with your stock variator. The \u003cstrong\u003eDr. Pulley Performance Variator\u003c\/strong\u003e is engineered specifically for Yamaha 125cc scooters, featuring optimized ramp angles that allow for a wider gear range and smoother, more aggressive shifting than the factory pulley. Whether you're navigating stop-and-go city traffic or chasing a higher top-end cruise, this variator delivers a noticeably quicker hole-shot and improved CVT efficiency — all in a direct bolt-on package.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Ramp Geometry:\u003c\/strong\u003e Designed to work seamlessly with \u003ca href=\"https:\/\/www.scooterworks.com\/products\/dr-pulley-sliding-weights-20x12-yamaha-zuma-125\"\u003eDr. Pulley 20x12 Sliding Weights\u003c\/a\u003e to eliminate dead spots in your acceleration curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Heat Dissipation:\u003c\/strong\u003e High-grade alloy construction reduces belt temperature, extending the life of your entire drivetrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Boss:\u003c\/strong\u003e Dedicated drive boss ensures a vacuum-tight fit, reducing vibration and parasitic drag at high RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 9001 Manufactured:\u003c\/strong\u003e Made in Taiwan to the highest global quality standards — durability that far exceeds standard aftermarket alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariator Outer Diameter:\u003c\/strong\u003e 118mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore (ID):\u003c\/strong\u003e 14mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Face Spline Count:\u003c\/strong\u003e 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.0 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eDirect-fit performance upgrade for the \u003cstrong\u003eYamaha 125cc\u003c\/strong\u003e scooter family:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZuma 125 (BWS), Vino 125, Cygnus 125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAsia \/ Europe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCygnus X 125 (Select Generations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation \u0026amp; Tuning Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSliding weights not included\u003c\/strong\u003e — choose your gram weight based on your performance objective. Pair with \u003ca href=\"https:\/\/www.scooterworks.com\/products\/dr-pulley-sliding-weights-20x12-yamaha-zuma-125\"\u003eDr. Pulley 20x12 Sliding Weights\u003c\/a\u003e to take full advantage of the ramp geometry.\u003c\/li\u003e\n\u003cli\u003eFor maximum gains, install an \u003ca href=\"https:\/\/www.scooterworks.com\/products\/ncy-performance-exhaust-black-yamaha-zuma-125\"\u003eNCY Performance Exhaust\u003c\/a\u003e at the same time to match your engine output to your new transmission speeds.\u003c\/li\u003e\n\u003cli\u003ePerformance upgrades are considered racing parts intended for off-road\/competition use. Check local laws regarding pollution-controlled vehicles. Not covered under warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAbout Dr. Pulley\u003c\/h3\u003e\u003cp\u003eDr. Pulley is a Taiwanese performance CVT specialist with decades of experience engineering variator components and sliding weights for scooters and small-displacement motorcycles. Their products are ISO 9001 certified and trusted by tuners and everyday riders worldwide as the benchmark upgrade for CVT-equipped scooters.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\"\u003eCalifornia Prop 65 Warning: www.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46759881965848,"sku":"1200-1206","price":130.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1206_e34b1c48-2dda-41d4-8388-737da62d9f33.jpg?v=1695305500"},{"product_id":"dr-pulley-variator-polaris-rzr-170-1200-1245","title":"Dr. Pulley Performance Variator | Polaris RZR 170 CVT","description":"\u003cp\u003eUpgrade the CVT on your Polaris RZR 170 with the Dr. Pulley performance variator. Delivers higher top-end speed and more consistent, linear power delivery vs. the stock unit. Complete kit — everything needed for a full variator replacement. Made in Taiwan by Dr. Pulley, ISO 9001 certified since 1987.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBack plate with spacers\u003c\/li\u003e\n\u003cli\u003eDrive face\u003c\/li\u003e\n\u003cli\u003ePulley\u003c\/li\u003e\n\u003cli\u003ePulley spacers\u003c\/li\u003e\n\u003cli\u003eDrive boss (ID: 17mm \/ OD: 24mm \/ Length: 51mm)\u003c\/li\u003e\n\u003cli\u003eMPN: V181401M1\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan by Dr. Pulley\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Variator weights (rollers) are \u003cstrong\u003enot included\u003c\/strong\u003e. This variator requires \u003cstrong\u003e18x14mm\u003c\/strong\u003e weights, sold separately.\u003c\/p\u003e\u003cul\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePolaris RZR 170 (direct fit, all production years)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"http:\/\/www.p65warnings.ca.gov\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":46762238738712,"sku":"1200-1245","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1245_ccb4bd95-d148-46f1-bfb5-4c4909626824.jpg?v=1695338130"},{"product_id":"dr-pulley-cfmoto-kymco-hit-clutch-169-230","title":"Dr. Pulley HiT High Thrust Clutch: CFmoto \u0026 Kymco 250","description":"\u003ch2\u003eUnleash Your Engine's Potential: Dr. Pulley HiT High Thrust Clutch\u003c\/h2\u003e\u003cp\u003eExperience a revolution in CVT performance with the \u003cstrong\u003eDr. Pulley HiT (High Thrust) Clutch\u003c\/strong\u003e. Engineered specifically for 250cc and 300cc CFmoto and Kymco engines, this patented dual-clutch system uses a unique internal wedge mechanism to lock the clutch shoes against the bell. This eliminates the \"slipping\" common in traditional centrifugal clutches, providing instant power transfer, faster off-the-line acceleration, and significantly improved uphill climbing torque.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented \"HiT\" Dual-Spring Design:\u003c\/strong\u003e Utilizes two sets of springs—clutch springs for initial engagement and \"pillow\" springs for the high-thrust locking phase—allowing for total customization of your launch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50-Degree Pillow Springs:\u003c\/strong\u003e Optimized for modified or high-performance engines that require a higher RPM engagement point for maximum \"snap\" off the line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Transmission Heat:\u003c\/strong\u003e By locking the shoes firmly against the bell, this clutch minimizes the friction that causes glazed pads and belt-destroying heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Tuning Versatility:\u003c\/strong\u003e Includes three different sets of both clutch and pillow springs, allowing you to fine-tune your scooter for either aggressive racing or smooth touring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis HiT Clutch (Model 231801) is designed for \u003cstrong\u003e250cc to 300cc Liquid-Cooled\u003c\/strong\u003e engines found in:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Platform\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePopular Compatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKymco 250 \/ 300\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrand Vista, People S 250, Xciting 250\/300, Downtown 300i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCFmoto 250\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV3, V5, Fashion, Glory, and 250cc \"Helix\" style clones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecialty Builds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuggy\/Kart models using the CN250 or CFMoto 250 drivetrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngagement Profile:\u003c\/strong\u003e 50 Degree (High RPM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Diameter:\u003c\/strong\u003e Standard 250\/300cc Large Format\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e 1x HiT Clutch, 1x Nut Locker, 3x Sets of Tuning Springs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Dr. Pulley - Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e The HiT clutch is a precision tuning tool. If you are noticing a \"bog\" on takeoff, try a lighter set of clutch springs. If you want more \"hit\" once the clutch is already engaged, swap to a stiffer set of pillow springs. \u003cstrong\u003eNote:\u003c\/strong\u003e This kit reuses your stock clutch bell, but we recommend inspecting your bell for blueing or heat damage before installation.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 169-230 \u003cbr\u003e\u003cstrong\u003eMPN:\u003c\/strong\u003e 231801 (50 deg.)\u003c\/p\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003ca href=\"http:\/\/www.unionmaterial.com\/Instruction%20for%20HIT-V1-mini.pdf\" target=\"_blank\"\u003eClick Here\u003c\/a\u003e to view the full Dr. Pulley HiT Clutch PDF.\u003c\/p\u003e\u003cul\u003e\u003c\/ul\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":49985967128856,"sku":"169-230","price":349.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/451819.jpg?v=1744827006"},{"product_id":"dr-pulley-cn250-variator-kit-169-265","title":"Dr. Pulley CN250 Variator Kit","description":"Dr. Pulley Performance Variator Assembly for 250cc 4-stroke water-cooled CN250 172mm engines.\u003cbr\u003e \u003cul\u003e \u003cli\u003eSpecially Designed Ramp Shape  \u003c\/li\u003e\n\u003cli\u003eExtended Ramp Length  \u003c\/li\u003e\n\u003cli\u003eAdjustable Boss Length  \u003c\/li\u003e\n\u003cli\u003eRacing Type Ramp Plate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e \u003cli\u003eIncludes Instructions  \u003c\/li\u003e\n\u003cli\u003eIncludes Sliders  \u003c\/li\u003e\n\u003cli\u003eDoes Not Included Roller Weights  \u003c\/li\u003e\n\u003cli\u003eNumber of Splines: 21  \u003c\/li\u003e\n\u003cli\u003eDrive Face Outer Diameter (A): 128mm  \u003c\/li\u003e\n\u003cli\u003eBoss Inner Diameter (C): 17mm  \u003c\/li\u003e\n\u003cli\u003eBoss Outer Diameter (B): 27mm  \u003c\/li\u003e\n\u003cli\u003eRamp Plate Inner Diameter (D): 17mm   \u003c\/li\u003e\n\u003cli\u003eFan Inner Diameter Peak to Peak (H): 15mm  \u003c\/li\u003e\n\u003cli\u003eFan Inner Diameter Valley to Valley (G): 16.5mm\u003c\/li\u003e\n\u003c\/ul\u003e250cc 172mm 4-stroke, Honda Helix (CH250 \/ CN250), Honda Reflex NSS250","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":49985967161624,"sku":"169-265","price":189.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/452479.jpg?v=1744827008"}],"url":"https:\/\/www.scooterworks.com\/collections\/dr-pulley-clutches-and-variators.oembed","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}