{"product_id":"prima-roller-weight-tuning-kit-15x12-1400-1083","title":"Prima Roller Weight Tuning Kit (15x12)","description":"\u003cp\u003eThe Prima Roller Weight Tuning Kit (15x12, 2g-13g) is the best way to tune the CVT transmission in a Yamaha Jog or Zuma 50cc engine, as well as many Minarelli clone motors noted below.  \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes 3 of each roller in sizes ranging from 2g to 13g, for a total of 36 weights.\u003c\/li\u003e\n\u003cli\u003eCombining 2 sets of rollers allows you to tune your engine with a large variance in weight. For example, using the set of 10-gram rollers and the set of 12-gram rollers, alternating weights in variator results in an 11-gram roller set.  Using the set of 10-gram rollers and the set of 11-gram rollers, alternating weights in variator, results in a 10.5-gram roller set.\u003c\/li\u003e\n\u003cli\u003eLighter weights increase RPMs for a given road speed, while heavier weights lower RPMs for a given road speed.  \u003c\/li\u003e\n\u003cli\u003eTailor your tuning to match your engine setup and personal driving style.  \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"465\" height=\"34\" style=\"width: 86.1111%; height: 78.4px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 49.6732%; height: 19.6px;\"\u003eYamaha Zuma 50 2-Stroke\u003c\/td\u003e\n\u003ctd style=\"width: 49.8911%; height: 19.6px;\"\u003eYamaha Jog 50  \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 49.6732%; height: 19.6px;\"\u003eYamaha Vino 50\u003c\/td\u003e\n\u003ctd style=\"width: 49.8911%; height: 19.6px;\"\u003e\u003cspan\u003eYamaha C3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 49.6732%; height: 19.6px;\"\u003eMinarelli Clone engines\u003c\/td\u003e\n\u003ctd style=\"width: 49.8911%; height: 19.6px;\"\u003e1E40EQMB Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 49.6732%; height: 19.6px;\"\u003e\u003cspan\u003e1E41QMB Engines\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.8911%; height: 19.6px;\"\u003e\u003cspan\u003e1PE40QMB Engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e*DANGER: Weights must be installed in a 120-degree pattern! If not, SEVERE ENGINE DAMAGE WILL RESULT!!!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlease refer to our handy \u003ca href=\"https:\/\/www.scooterworks.com\/blogs\/news\/stock-scooter-roller-sizes-weights\" title=\"stock scooter roller weight chart scooterworks\"\u003echart\u003c\/a\u003e for more info on roller weights. Visit our \u003ca href=\"https:\/\/www.scooterworks.com\/blogs\/news?srsltid=AfmBOooToaar-43kyOJPaYFJX_9yHhhwcXBEf7TwPJ8JE1-yMdr1sLLz\" title=\"scooterworks blog scooter maintenance news\"\u003eblog \u003c\/a\u003efor additional tips and news.  \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Prima:\u003c\/strong\u003e Prima is the industry leader in premium scooter accessories, service parts and scooterist protective apparel. Prima brand products are designed direct-fit for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, Royal Alloy and GY6 \/ QMB powered scooters.\u003c\/p\u003e\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003eMade in Taiwan.\u003c\/p\u003e\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e  \u003c\/p\u003e\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/sites\/default\/files\/downloads\/factsheets\/motor_vehicle_parts_fact_sheet.pdf\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 107%;\"\u003eWARNING: California’s Proposition 65\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 107%;\"\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Prima","offers":[{"title":"Default Title","offer_id":46759398375704,"sku":"1400-1083","price":31.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1400-1083_77dc18fb-6950-4dce-b01e-71b7b052feb4.jpg?v=1695301788","url":"https:\/\/www.scooterworks.com\/products\/prima-roller-weight-tuning-kit-15x12-1400-1083","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}