{"title":"GY6 DRIVEN PULLEY","description":"","products":[{"product_id":"blue-line-complete-clutch-drive-assembly-gy6-1100-1149","title":"Blue Line Complete Clutch Drive Assembly; GY6","description":"\u003cp\u003eComplete rear drive assembly for all GY6 125\/150cc based transmissions found on many Chinese-produced scooters. Includes Clutch, Bell \/ Drum, and Rear Pulley Assembly.  Shipped assembled with bearings and seals. A true drop-in replacement part.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 164-45\u003cbr\u003e\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\u003eOuter Diameter (bell): 137mm   \u003c\/li\u003e\n\u003cli\u003eNumber of Splines: 19   \u003c\/li\u003e\n\u003cli\u003eSplines Inner Diameter (peak to peak): 13.6mm  \u003c\/li\u003e\n\u003cli\u003eOuter Diameter (pulley): 142mm (5.6 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\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: 92.3437px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\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\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Blue Line:\u003c\/strong\u003e Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.\u003c\/p\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":46756448993560,"sku":"1100-1149","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1149_8a2dd22b-b1df-41f9-9c7e-a25bb57ba44a.jpg?v=1695268013"},{"product_id":"clutch-and-pulley-assembly-oem-no-bell-gy6-1100-1208","title":"Clutch and Pulley Assembly (OEM, No Bell); GY6","description":"Stock GY6 transmission clutch and pulley assembly, without clutch bell.\n\n\u003cp\u003e\n\nThis kit includes all the parts that commonly fail in a stock Chinese clutch. \n\n\u003c\/p\u003e\u003cp\u003e\n\nDriven Pulleys, Contra Spring, Clutch \u0026amp; Clutch Springs.\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":46756487528728,"sku":"1100-1208","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1208_15d9caff-751c-4fb8-9a2b-11a9dbb0970a.jpg?v=1695268586"},{"product_id":"clutch-assembly-oem-cvt-no-bell-gy6-chinese-1100-1209","title":"Blue Line CVT Clutch Assembly for GY6 125\/150cc","description":"\u003cp\u003eRestore your scooter's power delivery with the \u003cstrong\u003eBlue Line CVT Clutch Assembly\u003c\/strong\u003e. Designed as a direct-fit OEM-Quality replacement for the standard \u003cstrong\u003eGY6 125cc and 150cc\u003c\/strong\u003e clutch, this assembly is engineered for reliability and long-term durability.\u003c\/p\u003e\u003cp\u003eUnlike basic stock clutches, the Blue Line version features an \u003cstrong\u003eintegrated internal brace\u003c\/strong\u003e. This reinforcement prevents the clutch from warping under the high rotational forces applied to the arm posts, ensuring consistent engagement and preventing premature wear.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Warp Design:\u003c\/strong\u003e Internal bracing protects clutch arm posts from distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Fit:\u003c\/strong\u003e Drop-in replacement for QMI152 and QMJ157 standard clutches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Friction Pads:\u003c\/strong\u003e Large 37mm x 23.5mm pads for reliable grip and heat dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Assembled:\u003c\/strong\u003e Includes shoes and springs (Note: Clutch Bell is NOT included).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 973g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad Dimensions:\u003c\/strong\u003e 37mm x 23.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 125cc - 150cc GY6 4-Stroke Engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\u003cp\u003e\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This is a non-adjustable, maintenance-free clutch. It is an ideal choice for riders looking to replace a slipping or glazed stock clutch with a sturdier, reinforced option. Does NOT include clutch bell. \u003c\/p\u003e\u003c\/blockquote\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":46756489101592,"sku":"1100-1209","price":34.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1209_1a3e9e94-4722-4f33-84c9-601b16360eed.jpg?v=1695268597"},{"product_id":"ncy-compression-spring-gy6-1000-rpm-1200-1026","title":"NCY Compression Spring (GY6), 1000 rpm","description":"\u003cp\u003eNCY compression\/contra spring (black, 1000rpm) for Genuine Buddy 125\/150\/170, Blur 150 scooters and Chinese 125\/150 GY6 engines.\u003c\/p\u003e\u003cp\u003eCompression springs (or contra springs) supply the pressure to engage the belt and determine how quickly the CVT transmission changes from low to high gear. A 1000rpm spring will go into a higher gear than a 2000rpm spring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpring length: 147.9mm\u003c\/li\u003e\n\u003cli\u003eSpring inner diameter: 48.5mm\u003c\/li\u003e\n\u003cli\u003eSpring outer diameter: 58mm\u003c\/li\u003e\n\u003cli\u003eWire gauge: 4mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.6812%;\"\u003eGenuine Buddy 125\u003c\/td\u003e\n\u003ctd style=\"width: 51.1042%;\"\u003eGenuine Buddy 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.6812%;\"\u003eGenuine Buddy 170i\u003c\/td\u003e\n\u003ctd style=\"width: 51.1042%;\"\u003eGenuine Blur 150\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 width=\"463\" height=\"100\" style=\"width: 87.0908%; height: 92.3437px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\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\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eAbout NCY:\u003c\/strong\u003e NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003eMade in Taiwan.\u003c\/p\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is intended for off-road use only.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e*Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756717887768,"sku":"1200-1026","price":19.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1026_6e13a2b6-948e-4ac0-9fab-91a5f46c47c2.jpg?v=1695271038"},{"product_id":"ncy-compression-spring-gy6-1500-rpm-1200-1027","title":"NCY 1500 RPM Contra Spring GY6 CVT | 125cc 150cc 157QMJ","description":"\u003cp\u003eFine-tune your CVT transmission's shift point and eliminate belt slip with the \u003cstrong\u003eNCY 1500 RPM Contra \/ Compression Spring\u003c\/strong\u003e for GY6 engines. Engineered for the rear clutch pulley, this performance spring is a direct upgrade for riders looking to optimize acceleration on 125cc, 150cc, 169cc, and 171cc GY6-based scooters.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents belt slip by increasing lateral pressure on the drive belt\u003c\/li\u003e\n\u003cli\u003eRaises CVT shift point for optimized acceleration at higher RPM\u003c\/li\u003e\n\u003cli\u003e1500 RPM rating — stiffer than stock for performance-oriented tuning\u003c\/li\u003e\n\u003cli\u003eISO 9001 certified manufacturing\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Diameter:\u003c\/strong\u003e 4.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 48.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 154.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRPM Rating:\u003c\/strong\u003e 1500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFits 157QMJ-based 125cc \/ 150cc \/ 169cc \/ 171cc GY6 engines with the following engine codes:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\u003eOther QMJ, QMK \u0026amp; QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eMechanic's Notes\u003c\/h2\u003e\n\u003cp\u003eCompression springs (also called contra springs) serve two functions: they apply lateral pressure on the drive belt to prevent slip, and they control the RPM at which the CVT transitions from lower to higher gear ratios.\u003c\/p\u003e\n\u003cp\u003eFor optimum acceleration, match the clutch pulley transition RPM to your engine's peak power band. If your engine peaks at 7500 RPM but your spring transitions at 6000 RPM, you're leaving performance on the table.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStiffer Spring\u003c\/strong\u003e = More belt tension + higher RPM transition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSofter Spring\u003c\/strong\u003e = Less belt tension + lower RPM transition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis spring is also available as part of our \u003ca href=\"https:\/\/www.scooterworks.com\/GY6-150-Stage-1-Performance-Kit-P8803.aspx\"\u003eStage 1 GY6 150 Performance Kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis product is intended for off-road use only. Not intended for use on public roads. Not legal for use in California.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756718936344,"sku":"1200-1027","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/NCY_1500_rpm_Contra_spring.jpg?v=1779396143"},{"product_id":"ncy-compression-spring-2000rpm-gy6-1200-1028","title":"NCY 2000rpm Compression \/ Contra Spring - GY6 125-200cc","description":"\u003ch2\u003eNCY 2000rpm Performance Compression Spring\u003c\/h2\u003e\u003cp\u003eTake control of your CVT’s shift logic with the \u003cstrong\u003eNCY 2000rpm Compression Spring\u003c\/strong\u003e. This \"contra spring\" is the most aggressive tuning option for the GY6 engine platform, designed to keep your transmission in a lower gear ratio longer. By increasing the pressure on the driven pulley, this spring forces the engine into its peak power band, providing the explosive off-the-line acceleration and heavy-duty hill-climbing torque that standard springs can't deliver.\u003c\/p\u003e\u003ch3\u003ePerformance Tuning Dynamics\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2000 RPM Rating:\u003c\/strong\u003e The stiffest common tuning weight, ideal for \"racing\" setups or heavy riders who need to eliminate \"bogging\" during uphill climbs or rapid acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Belt Grip:\u003c\/strong\u003e Provides significantly higher side-pressure on the CVT belt, virtually eliminating belt slip and ensuring every bit of horsepower reaches the rear wheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Downshifting:\u003c\/strong\u003e Engineered for lightning-fast transmission response when you snap the throttle open, perfect for aggressive urban filtering and overtaking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated Steel:\u003c\/strong\u003e Manufactured with NCY’s signature high-tensile steel to maintain its spring rate and tension even under the extreme temperatures of long-distance riding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis spring is a direct performance upgrade for \u003cstrong\u003eGY6-based 125cc, 150cc, and 170cc\u003c\/strong\u003e engines:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBrand \/ Engine Family\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\u003eGenuine Scooter Co.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuddy 125, Buddy 150, Buddy 170i, Hooligan 170i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChinese GY6 (157QMJ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaoTao, Wolf, Icebear, Jonway, ZNEN (150cc Models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Codes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e152QMI, 157QMJ, 161QMK, 1P57QMJ, and more\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\u003eSpring Rate:\u003c\/strong\u003e 2000 RPM (Red)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Length:\u003c\/strong\u003e 154mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Diameter:\u003c\/strong\u003e 48.5mm | \u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 58.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 4.5mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This is a racing-grade spring.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eTuning Tip:\u003c\/strong\u003e A 2000rpm spring will significantly increase your cruising RPMs. If you find your engine \"screaming\" too high at top speed, consider pairing this with slightly heavier \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eNCY Roller Weights\u003c\/a\u003e\u003c\/strong\u003e to balance the shift curve.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Be extremely careful when removing the large clutch nut; the spring is under high tension and can fly off if not secured with a \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eClutch Compression Tool\u003c\/a\u003e\u003c\/strong\u003e!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1200-1028 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e NCY\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\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: 92.3437px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\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;\"\u003eBN157Q\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756720115992,"sku":"1200-1028","price":19.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1028_2ba5491d-0864-4620-94d3-1c5000a223d5.jpg?v=1695271062"},{"product_id":"ncy-secondary-spring-seat-gy6-1200-1030","title":"NCY Ball-Bearing Secondary Spring Seat (GY6)","description":"\u003ch2\u003eSmooth Shifting: NCY Ball-Bearing Secondary Spring Seat\u003c\/h2\u003e\u003cp\u003eEliminate CVT binding and \"spring twist\" with the \u003cstrong\u003eNCY Secondary Spring Seat\u003c\/strong\u003e. In a stock GY6 setup, the torque spring must twist as it compresses, creating internal friction that slows down your transmission's response. This NCY upgrade features an integrated ball-bearing assembly that allows the spring to rotate freely, ensuring lightning-fast downshifts and much smoother overall belt operation.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Binding Technology:\u003c\/strong\u003e The bearing seat allows the secondary spring to decompress without torsional resistance, providing consistent \"pop\" and more responsive acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Belt Heat:\u003c\/strong\u003e By smoothing out the opening and closing of the rear pulley, this seat helps reduce parasitic drag and excessive heat buildup in the CVT belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Construction:\u003c\/strong\u003e Engineered to withstand the high-RPM environment of performance GY6 builds, ensuring the bearings stay seated even under extreme spring tension.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Downshifting:\u003c\/strong\u003e Noticeably improves the scooter's ability to \"find the right gear\" when coming out of corners or hitting inclines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis seat is designed for \u003cstrong\u003eGY6-based 125cc to 170cc\u003c\/strong\u003e engines and is a direct-fit performance upgrade for:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBrand\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGenuine Scooter Co.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuddy 125, Buddy 150, Buddy 170i, Hooligan 170i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLance \/ SYM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCali Classic 125\/150, Havana Classic, PCH 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTao Tao \/ Wolf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLancer 150, Quantum 150, Lucky 150, EX-150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Codes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e152QMI, 157QMJ, 161QMK, 1P57QMJ, and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%; height: 92.3437px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\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\u003eDon't see your engine listed? If the engine is 125-200cc and the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Seat ID:\u003c\/strong\u003e 45.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Seat OD:\u003c\/strong\u003e 57.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Width:\u003c\/strong\u003e 1.75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Hardware:\u003c\/strong\u003e High-tension bearings and bearing seat\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This is a \"must-have\" upgrade when installing a stiffer 1000 or 1500 RPM torque spring. Because the spring is harder to compress, the binding effect is much more pronounced.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1200-1030 \u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e NCY (ISO 9001 Certified)\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eAbout NCY:\u003c\/strong\u003e NCY is the aftermarket performance parts leader for the most\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756721131800,"sku":"1200-1030","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1030_70897178-32bc-4ad0-b401-88da2d5a8f09.jpg?v=1695271078"},{"product_id":"ncy-secondary-slider-gy6-1200-1034","title":"NCY Secondary Slider (GY6)","description":"\u003cp\u003eNCY secondary slider for 125\/150cc GY6 engines. \u003c\/p\u003e\u003cp\u003eIf your tuned engine isn't putting out the power you want, check out NCY's secondary slider (rear converter). Its aggressively angled slits provide power where you need it and smooths transitions between belt positions with minimal hang up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSecondary slider plate OD: 141.84mm\u003c\/li\u003e\n\u003cli\u003eFunnel ID: 34mm, OD: 43mm, H: 47mm\u003c\/li\u003e\n\u003cli\u003eIncludes pre-installed rubber o-rings \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\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: 92.35px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.575px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.575px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.575px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.2px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.2px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.2px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.2px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eAbout NCY:\u003c\/strong\u003e NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003eMade in Taiwan.\u003c\/p\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is intended for off-road use only.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e*Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756723294488,"sku":"1200-1034","price":47.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1034_3cbc9e50-3fbc-441e-8c8a-7267ad4df014.jpg?v=1695271107"},{"product_id":"ncy-clutch-nut-gy6-1200-1160","title":"NCY Clutch Nut; GY6","description":"\u003cp\u003eQuite possibly the most amazing clutch nut you'll ever see.  By NCY for GY6 engines.\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756782342424,"sku":"1200-1160","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1160_5f86e629-1d1f-4bef-b8fd-8bdbace6972f.jpg?v=1695271789"},{"product_id":"ncy-secondary-sliding-sheave-assembly-gy6-buddy-4t-1200-1198","title":"NCY Performance Adjustable Sheave Clutch Pulley - GY6 \u0026 Navi","description":"\u003ch2\u003eMaximize Your CVT Performance: NCY Adjustable Torque Driver\u003c\/h2\u003e\u003cp\u003eEliminate mid-range \"flat spots\" and take full control of your powerband with the \u003cstrong\u003eNCY Secondary Sliding Sheave\u003c\/strong\u003e. Engineered as a high-performance alternative to the linear factory pulley, this \"Torque Driver\" features \u003cstrong\u003edual-machined ramp angles\u003c\/strong\u003e. This allows you to choose between an aggressive curve for instant \"off-the-line\" snap or a progressive curve for smoother, high-velocity cruising.\u003c\/p\u003e\u003ch3\u003ePerformance Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Angle Tuning:\u003c\/strong\u003e Two sets of guide pin slits let you customize your acceleration profile based on your riding style or track conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Shifting:\u003c\/strong\u003e Precision-machined internal paths eliminate the \"belt hang-up\" common in stock sheaves, keeping your engine in its optimal power band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Pre-Sealed Assembly:\u003c\/strong\u003e Includes pre-installed high-temperature O-rings and oil seals, ensuring a leak-free, bolt-on installation right out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-Grade Durability:\u003c\/strong\u003e Manufactured to ISO 9001 standards in Taiwan, designed to handle the high heat and friction of tuned 150cc to 232cc builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 141.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (Funnel):\u003c\/strong\u003e 34mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Carbon Steel Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003eSKU:\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 1200-1198\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis assembly is a direct performance replacement for 125cc, 150cc, and 170cc 4-stroke engines, including:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine \/ Model\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePopular Applications\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGenuine Scooter Co.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuddy 125, Buddy 150, Buddy 170i, Hooligan 170i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHonda\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eNavi 110\u003c\/strong\u003e (Massive acceleration upgrade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGY6 125\/150cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e157QMJ, 152QMI, 161QMK, 1P61QMK, BN157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKymco \/ SYM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgility 125, Super 8 150, Fiddle III 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWolf \/ Amigo \/ ZNEN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLucky II, EX-150, Venice 150, and most Retro\/Sport 150cc builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eTech Tip:\u003c\/strong\u003e For maximum performance, pair this torque driver with an \u003ca href=\"https:\/\/www.scooterworks.com\/products\/ncy-clutch-performance-green-gy6\"\u003eNCY Gen 4 Performance Clutch\u003c\/a\u003e and a \u003cstrong\u003e1500 or 2000 RPM Contra Spring\u003c\/strong\u003e. This combination ensures your belt stays tight and your RPMs stay high during hill climbs and heavy acceleration.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #d9534f; font-weight: bold;\"\u003ePerformance Note: Greasing with high-temp Moly grease during installation is suggested for optimal performance.\u003c\/p\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is intended for off-road use only.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e*Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46759282278680,"sku":"1200-1198","price":122.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1198_b.jpg?v=1737130703"},{"product_id":"ncy-performance-clutch-green-gen-4-gy6-1200-1202","title":"NCY Performance Clutch Gen 4 - GY6 150 \u0026 Navi 110","description":"\u003ch2\u003eMaximum Grip, Zero Slip: NCY Gen 4 Performance Racing Clutch\u003c\/h2\u003e\u003cp\u003eEliminate the \"bog\" and launch harder with the \u003cstrong\u003eNCY Fourth Generation Performance Clutch\u003c\/strong\u003e. Unlike stock clutches that struggle under the heat of high-performance builds, the NCY Gen 4 is engineered to deliver instantaneous engagement and superior heat dissipation. It is the same high-end clutch featured in the famous \u003ca href=\"https:\/\/www.scooterworks.com\/products\/ncy-super-trans-kit-gy6\"\u003eNCY GY6 Super Trans Kit\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eThe Performance Advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e27% More Contact Area:\u003c\/strong\u003e Features oversized 50.5mm x 22mm pads, providing significantly more surface area to grab the clutch bell and transfer power to the ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Inner Brace:\u003c\/strong\u003e Includes a reinforced inner brace that prevents the clutch arms from warping or flexing under the intense rotational force of high-RPM engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Response:\u003c\/strong\u003e Lightweight design reduces rotational mass, allowing for quicker take-offs and improved throttle response across the entire powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen \"Race\" Finish:\u003c\/strong\u003e Not just for looks—the high-quality finish and fitment are head and shoulders above OEM units, resisting corrosion and glazing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1005g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad Dimensions:\u003c\/strong\u003e 50.5mm x 22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-Shoe Design (Non-Adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e GY6 125\/150cc \u0026amp; Genuine Buddy Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 1200-1202\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eDetailed Model Fitment\u003c\/h3\u003e\u003cp\u003eThis clutch is a direct replacement for 125cc, 150cc, and 170cc 4-stroke engines with the following engine codes:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eVehicle Type\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGenuine Scooter Co.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuddy 125, Buddy 150, Buddy 170i, Hooligan 170i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHonda\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNavi 110 (Direct Bolt-on Upgrade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGY6 150cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e157QMJ, 161QMK, 152QMI, 1P61QMK, BN157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZNEN \/ Wolf \/ Amigo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll \"QM\" and \"FM\" code engines (Retro\/Sport styles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eTech Tip:\u003c\/strong\u003e While this clutch is \"non-adjustable,\" you can easily tune your engagement RPM by swapping out the clutch springs. For the ultimate setup, we recommend pairing this with the \u003ca href=\"https:\/\/www.scooterworks.com\/products\/ncy-clutch-bell-gy6\"\u003eNCY Performance Clutch Bell\u003c\/a\u003e to prevent glazing and ensure a perfect mating surface.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eInstallation Note:\u003c\/strong\u003e To prevent premature wear, always clean your clutch bell with brake cleaner before installing a new performance clutch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e*Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46759534493976,"sku":"1200-1202","price":74.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1202_1398a28d-598a-460c-ac51-5d4d5a89fb36.jpg?v=1695302781"}],"url":"https:\/\/www.scooterworks.com\/collections\/gy6-driven-pulley.oembed","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}