DESCRIPTION: The Prima Roller Weight Tuning Kit (15×12, 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.Specifications:Includes 3 of each roller in sizes ranging from 2g to 13g, for a total of 36 weights.Combining 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.Lighter weights increase RPMs for a given road speed, while heavier weights lower RPMs for a given road speed.Tailor your tuning to match your engine setup and personal driving style.Compatibility:Yamaha Zuma 50 2-StrokeYamaha Jog 50Yamaha Vino 50Yamaha C3Minarelli Clone engines1E40EQMB Engines1E41QMB Engines1PE40QMB Engines*DANGER: Weights must be installed in a 120-degree pattern! If not, SEVERE ENGINE DAMAGE WILL RESULT!!!Please refer to our handychartfor more info on roller weights. Visit ourblogfor additional tips and news.About Prima: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.Made in Taiwan.WARNING: California™s Proposition 65
SPECIFICATIONS: Includes 3 of each roller in sizes ranging from 2g to 13g, for a total of 36 weights.Combining 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.Lighter weights increase RPMs for a given road speed, while heavier weights lower RPMs for a given road speed.Tailor your tuning to match your engine setup and personal driving style.
COMPATIBILITY: Yamaha Zuma 50 2-StrokeYamaha Jog 50Yamaha Vino 50Yamaha C3Minarelli Clone engines1E40EQMB Engines1E41QMB Engines1PE40QMB Engines*DANGER: Weights must be installed in a 120-degree pattern! If not, SEVERE ENGINE DAMAGE WILL RESULT!!!Please refer to our handychartfor more info on roller weights. Visit ourblogfor additional tips and news.About Prima: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.Made in Taiwan.
NOTE: d below.