{"product_id":"roller-weight-tuning-set-15x12-range-from-2g-to-13g-stage6-brand","title":"Prima 15x12mm Roller Weight Tuning Kit - 36-Pieces 2g-13g","description":"\u003cp\u003eThe Prima 15x12mm roller weight tuning kit gives you 36 color-coded rollers — 3 of each weight from 2g to 13g — to dial in your CVT transmission for your riding style, engine build, and rider weight. Designed for Yamaha Jog\/Zuma\/Vino\/C3 50cc 2-stroke engines and Minarelli clone motors (QMB139 horizontal). Made in Taiwan. SKU: 1400-1083.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e36 rollers total — 3 of each weight from 2g to 13g in 1g increments\u003c\/li\u003e\n\u003cli\u003eColor-coded by weight for easy identification\u003c\/li\u003e\n\u003cli\u003eMix and alternate weights to achieve half-gram increments (e.g., alternating 10g and 11g = effective 10.5g)\u003c\/li\u003e\n\u003cli\u003eLighter weights: higher RPM for a given speed — better acceleration\u003c\/li\u003e\n\u003cli\u003eHeavier weights: lower RPM for a given speed — higher top speed\u003c\/li\u003e\n\u003cli\u003eFits 15x12mm variator roller pockets\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan by Prima | SKU: 1400-1083\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTuning Guide\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighter (2g–6g):\u003c\/strong\u003e higher RPM, stronger acceleration — best for heavier riders, stock motors, or hill climbing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavier (7g–13g):\u003c\/strong\u003e lower RPM, higher top speed — best for lighter riders or big-bore builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing weights:\u003c\/strong\u003e alternate two adjacent weights in the variator to achieve half-gram increments\u003c\/li\u003e\n\u003cli\u003eAlways install rollers in a 120-degree pattern (every other pocket) — uneven installation will cause vibration and variator damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e36 rollers total — 3 of each weight from 2g to 13g in 1g increments\u003c\/li\u003e\n\u003cli\u003eColor-coded by weight for easy identification\u003c\/li\u003e\n\u003cli\u003eMix and alternate weights to achieve half-gram increments\u003c\/li\u003e\n\u003cli\u003eLighter weights: higher RPM and acceleration | Heavier weights: higher top speed\u003c\/li\u003e\n\u003cli\u003eFits 15x12mm variator roller pockets\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan by Prima | SKU: 1400-1083\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRoller Dimensions: 15mm diameter x 12mm width\u003c\/li\u003e\n\u003cli\u003eWeights Included: 2g, 3g, 4g, 5g, 6g, 7g, 8g, 9g, 10g, 11g, 12g, 13g (3 of each)\u003c\/li\u003e\n\u003cli\u003eTotal Quantity: 36 rollers\u003c\/li\u003e\n\u003cli\u003eSKU: 1400-1083\u003c\/li\u003e\n\u003cli\u003eOrigin: Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Engine\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eJog 50 (2T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eZuma 50 (2T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVino 50 (2T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC3 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eMinarelli clone engines (horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1E40EQMB, 1E41QMB, 1PE40QMB engine codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFor stock roller weight reference,  Additional tuning tips on the AZScooterParts blog.\u003c\/p\u003e","brand":"Prima","offers":[{"title":"Default Title","offer_id":67964583149889,"sku":"1400-1083","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-7242-0-1400-1083_77dc18fb-6950-4dce-b01e-71b7b052feb4.jpg?v=1792557879","url":"https:\/\/azscooterparts.com\/products\/roller-weight-tuning-set-15x12-range-from-2g-to-13g-stage6-brand","provider":"AZScooterParts","version":"1.0","type":"link"}