Polini
Polini Performance Variator Kit - Yamaha C3/Zuma 50F
Description
The Polini Performance Variator Kit is widely regarded as the benchmark upgrade for the Yamaha C3 and Zuma 50F 4-stroke CVT system. The larger 95mm variator pulley paired with the included roller weights, clutch springs, and torque spring delivers a noticeable increase in top speed and overall acceleration over the stock variator. Made in Italy. SKU: 146-87.
Kit Contents
- 1 × Performance variator (OD: 95mm, ID: 13mm)
- 1 × Low-friction ramp plate
- 3 × Slides
- 1 × Variator drive boss (13x20x38)
- 3 × Green +35% clutch springs
- 1 × Torque spring (38mm, 34kg)
- 6 × 16x13 5g roller weights
Key Features
- 95mm variator pulley — larger than OEM for extended variator range
- Low-friction ramp plate reduces heat and wear
- +35% clutch springs for crisper engagement
- Complete kit — everything needed for a full CVT upgrade in one box
- Made in Italy by Polini
Specifications
- Variator OD: 95mm
- Variator ID: 13mm
- Drive Boss: 13x20x38
- Torque Spring: 38mm, 34kg
- Roller Weights: 16x13mm, 5g (6 included)
- Clutch Springs: +35% (3 included)
- Origin: Made in Italy
- SKU: 146-87
Compatibility
| Make | Model | Notes |
|---|---|---|
| Yamaha | C3 (XF50) | 4-stroke |
| Yamaha | Zuma 50F | 4-stroke |
This product is intended for off-road use only. Not legal for use in California on pollution-controlled vehicles. Check local laws before installing.
Product Diagrams
Features
Specifications
Variator OD: 95mm | Variator ID: 13mm | Drive Boss: 13x20x38 | Torque Spring: 38mm, 34kg | Roller Weights: 16x13mm 5g (x6) | Clutch Springs: +35% (x3) | Origin: Italy | SKU: 146-87
Model Fitments
Yamaha C3 (XF50) 4-stroke, Yamaha Zuma 50F 4-stroke