{"product_id":"dr-pulley-sliders-20x12-yamaha-zuma-125-vino-125-1200-1117","title":"Dr. Pulley 20x12 Sliding Roller Weights: Yamaha, Kymco","description":"\u003cp\u003eUnlock the full gear range your CVT was designed for. \u003cstrong\u003eDr. Pulley 20x12mm Sliding Weights\u003c\/strong\u003e replace the flat-spotting round rollers in your variator with a patented non-round geometry that lets the variator retract further for a lower starting ratio and extend further for a higher top-speed ratio — delivering faster launches and lower cruising RPMs without touching your belt or variator. Choose your gram weight to dial in exactly the performance character you want.\u003c\/p\u003e\u003ch3\u003ePerformance \u0026amp; Engineering Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminated Flat Spots:\u003c\/strong\u003e The sliding shape prevents the uneven wear and notching common with circular weights, ensuring consistent shifting performance for thousands of miles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Gear Range:\u003c\/strong\u003e Pushes the variator plate further than OEM specs, providing a tangible increase in top-end speed on open roads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePA46 Tribological Composite:\u003c\/strong\u003e Oilless, self-lubricating nylon that resists heat and friction better than standard rollers — no grease required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Gram Tuning:\u003c\/strong\u003e Available in 8.5g through 12g (in 0.5g increments) to perfectly match your CVT engagement to your riding style or exhaust setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20mm (diameter) x 12mm (width)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Oilless PA46 Tribological Composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Patented Sliding Geometry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Weights:\u003c\/strong\u003e 8.5g, 9g, 9.5g, 10g, 10.5g, 11g, 11.5g, 12g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 6\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cp\u003eThese 20x12mm weights are a direct performance upgrade for many \u003cstrong\u003e125cc–300cc\u003c\/strong\u003e scooters and go-karts:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand \/ Engine\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 (All Years), Vino 125, Majesty 250, Morphous 250, SMAX 155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKymco\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDowntown 200\/300, People GT 200\/300, Xciting 250\/300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinhai\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250, 260, 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrailmaster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300S, 300 XRX (Go-Karts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eTuning \u0026amp; Installation Tips\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation is critical:\u003c\/strong\u003e Ensure the Dr. Pulley logo\/flat side faces the correct direction in the variator ramps — incorrect installation will hinder performance and can cause damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor better acceleration:\u003c\/strong\u003e Go 1–2 grams lighter than stock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor better top speed:\u003c\/strong\u003e Stay at stock weight or go 1 gram heavier.\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 for scooters and small-displacement motorcycles. Their patented sliding weight technology is widely regarded as the benchmark CVT upgrade, trusted by tuners and everyday riders worldwide for consistent, measurable performance gains.\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":"8.5 G","offer_id":46759061520664,"sku":"1200-1117 8.5 G","price":36.0,"currency_code":"USD","in_stock":true},{"title":"9 G","offer_id":46759061553432,"sku":"1200-1117 9 G","price":36.0,"currency_code":"USD","in_stock":true},{"title":"9.5 G","offer_id":46759061586200,"sku":"1200-1117 9.5 G","price":36.0,"currency_code":"USD","in_stock":true},{"title":"10 G","offer_id":46759061618968,"sku":"1200-1117 10 G","price":36.0,"currency_code":"USD","in_stock":true},{"title":"10.5 G","offer_id":46759061651736,"sku":"1200-1117 10.5 G","price":36.0,"currency_code":"USD","in_stock":false},{"title":"11 G","offer_id":46759061684504,"sku":"1200-1117 11 G","price":36.0,"currency_code":"USD","in_stock":true},{"title":"11.5 G","offer_id":46759061487896,"sku":"1200-1117 11.5 G","price":36.0,"currency_code":"USD","in_stock":true},{"title":"12 G","offer_id":46759061717272,"sku":"1200-1117 12 G","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1117_477741d9-1fbf-482a-af3f-cbe7b8df8d34.jpg?v=1695298778","url":"https:\/\/www.scooterworks.com\/products\/dr-pulley-sliders-20x12-yamaha-zuma-125-vino-125-1200-1117","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}