{"product_id":"ncy-compression-spring-1000-rpm-vino125zuma125-1200-1003","title":"NCY 1000 RPM (Blue) Contra Spring – Yamaha Zuma \/ Vino 125","description":"\u003ch2\u003eOptimize Your CVT: NCY 1000 RPM Performance Compression Spring\u003c\/h2\u003e\u003cp\u003eTame your transmission and improve belt grip with the \u003cstrong\u003eNCY 1000 RPM Compression Spring\u003c\/strong\u003e (also known as a \"Contra\" or \"Secondary\" spring). Specifically engineered for the Yamaha 125cc drivetrain, this 1000 RPM (Blue) spring is the ideal choice for riders seeking a balance between daily drivability and improved back-shifting. It provides just enough extra tension to prevent belt slip without forcing the engine into excessively high RPMs during cruising.\u003c\/p\u003e\u003ch3\u003eThe NCY Performance Advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000 RPM (Blue) Rating:\u003c\/strong\u003e Designed to delay the upshift slightly longer than a stock spring, keeping your engine in its power band for better hill climbing and mid-range \"punch.\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Fatigue Silicon-Steel:\u003c\/strong\u003e Manufactured in Taiwan to resist \"spring sack\" (tension loss over time), ensuring your CVT settings stay consistent even after thousands of miles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Resistant Coating:\u003c\/strong\u003e The signature Blue powder coating isn't just for looks—it helps dissipate heat and prevents corrosion in the high-friction environment of the rear pulley.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Back-Shifting:\u003c\/strong\u003e Provides faster \"downshifts\" when you let off the throttle and get back on it, making your scooter feel more responsive in stop-and-go traffic.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis spring (SKU: 1200-1003) is a precision fit for \u003cstrong\u003eYamaha 125cc 4-stroke\u003c\/strong\u003e models:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eYear Range \/ Fitment Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha Zuma 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2009 – 2021 (Air-Cooled Models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha Vino 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha BW's 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll Generation 1 \u0026amp; 2 models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha Cygnus X\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelect 125cc models (116mm length requirement)\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 Length:\u003c\/strong\u003e 116mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 54.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Diameter:\u003c\/strong\u003e 5.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRPM Rating:\u003c\/strong\u003e 1000 RPM (Blue)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e \u003ca href=\"https:\/\/ncystore.com\"\u003eNCY Taiwan\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eTuner's Note:\u003c\/strong\u003e When installing a stiffer compression spring, you may need to use slightly \u003cstrong\u003elighter roller weights\u003c\/strong\u003e to maintain your target RPM. This \"Blue\" spring is often paired with \u003ca href=\"https:\/\/www.scooterworks.com\/products\/ncy-1200-1143-round-roller-weights\"\u003e10g or 11g weights\u003c\/a\u003e for the best all-around performance on a Zuma 125.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cem\u003eNote: Does not fit the 2022+ liquid-cooled Zuma 125 or standard GY6 150cc engines. For those models, please see our \u003ca href=\"https:\/\/theruckshop.com\/product\/ncy-compression-spring-gy6-1000-rpm\/\"\u003eGY6-specific NCY springs\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756698718488,"sku":"1200-1003","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/1200-1003.webp?v=1773341972","url":"https:\/\/www.scooterworks.com\/products\/ncy-compression-spring-1000-rpm-vino125zuma125-1200-1003","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}