{"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":48111789408443,"sku":"1200-1028","price":19.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/1200-1028_2ba5491d-0864-4620-94d3-1c5000a223d5.jpg?v=1784294964","url":"https:\/\/thriftyscooters.com\/products\/ncy-compression-spring-2000rpm-gy6-1200-1028","provider":"Thrifty Scooters","version":"1.0","type":"link"}