Prima Roller Weight Set - 20x12mm for Yamaha Zuma & Vino 125 Options:15.0 G An aluminum-nikasil cylinder that many

An aluminum-nikasil cylinder that many aficionados swear by

Fits GY6 125cc–170cc 4-stroke engines

* Piaggio FLY 125 4-stroke 2005-2007

Chicago Scooter Company go Chicago Scooter Company go MAX Chicago Scooter Company Pug50   139QMB-based 50cc / 80cc engines with the following engine codes:

This assembly is compatible with 152QMI

Prima Roller Weight Set - 20x12mm for Yamaha Zuma & Vino 125 Options:15.0 G An aluminum-nikasil cylinder that manyDial in your scooter's CVT performance with Prima 20x12mm Precision Roller Weights. The weight of your rollers determines when your variator "shifts" swapping them lets you prioritize off the line snap or highway cruising efficiency. Manufactured to strict tolerances for balanced rotation and smooth variator movement. Available in 9g through 15g; 6 weights per set. SKU: ROLL20X12. Weight Selection Guide Light weights (9g10g): Best for quick