Prima 15x12mm Roller Weight Tuning Kit 2g-13g | 36-Piece 100 sport so some differences between American

so some differences between American and British import scooters may cause incorrect details

For late model P-series harness

-Increased high-end power

as most stock heads will not fit

Prima 15x12mm Roller Weight Tuning Kit 2g-13g | 36-Piece 100 sport so some differences between AmericanThe 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. 36 rollers total 3 of each weight from 2g to 13g in 1g increments Color coded by weight for easy identification Mix and