Polini Hi-Speed Variator Kit - Aprilia Sonic / Malaguti F10 / Yesterday / MBK Evolis / Forte / Fizz / Yamaha Axis / Jog - 50 2T

Performant and reliable, the Polini Hi-Speed variators ensure optimal power transmission from the engine. Compatible with scooters equipped with Minarelli horizontal/vertical 50cc 2-stroke engines and short crankcases. Some of the most important applications include: Aprilia Sonic 50 / Malaguti F10 / Yesterday / MBK Equalis / Evolis / Fizz / Forte / Hot Champ / Target / Yamaha Axis / Breeze / Jog AC / Jog R AC / Vino / Zest.

The Polini Hi-Speed variator line is one of the most optimized variator options available for scooters and maxi-scooters. Special attention has been given to improve both acceleration and top speed by modifying the ratio under low torque conditions. Reliability and performance are enhanced compared to the original version. It includes all components shown in the picture.

Technical specifications:
- number of roller sets: 2 (6 rollers/set)
- dimensions / weight of rollers: 16x13mm / 5.6g
- dimensions / weight of rollers: 16x13mm / 6.9g
- includes 2 x counterpressure springs (+10% / +40%)
- includes drive belt - Polini Speed Belt (800 x 16.6 - 30°)
- includes rear clutch springs.