Polini Hi-Speed Variator with contrast spring Minarelli horizontal / vertical

The manufacturer Polini offers us this fantastic Hi-Speed variator

Polini is a benchmark in the creation of accessories for scooters. It has become a world leader in the design and production of special parts for scooters and maxiscooters. In addition, it guarantees that engines achieve ever higher performance, with the maximum possible safety and reliability.

Significantly improves the acceleration and response of the engine at all RPM ranges.
Manufactured with high hardness materials, achieving great quality in its finishes.

It is ideal for installation in 50/70cc setups, for example:

• Cylinder: Airsal alu-sport
• Carburettor: 21 Voca / Dellorto
• Exhaust: Voca sabotage / Yasuni r.

The kit includes

• 6 rollers 16x13mm 6.9g
• Variator guides
• Variator ramp
• Pin
• Spring plate
• Soft small springs
• 10% stiffer contrast spring

Assembly instructions / Spare parts