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 × 16×13 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.
California Prop 65 Warning: www.p65warnings.ca.gov
