Polini performance transmission kit for liquid cooled 4-stroke Yamaha C3 and Zuma 50FX scooters. This kit is designed to improve acceleration on stock, untuned scooters.
Includes Variator, Ramp Plate, Slides, 13x20x38 Variator Boss, Green +35% Clutch Springs, 16×13 Roller Weights in 4.9g, and a 38mm, 34Kg Torque Spring.
Fits the following 4 stroke models:
- Yamaha: C3 (Vox/Giggle), Zuma 50 F/FX, Aerox 50 (Europe only), Neos 50 (Europe only)
- MBK: Ovetto 50, Booster 50 X, Nitro 50 (All models Europe only)
Please see our Warranty & Returns Policy.
- Includes the following:
- Variator, Ramp Plate, Slides 13x20x38 Variator Boss and 16×13 Roller Weights in 4.9g
- Green +35% Clutch Springs
- 38mm, 34Kg Torque Spring