Polini Hi-Speed Evolution Variator Minarelli horizontal d=13mm

The manufacturer Polini offers us this fantastic Hi-Speed Evolution d.13mm Variator for Minarelli Horizontal engines.

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.

With a 12.5º roller ramp design, this variator makes better use of the engine’s power, thus achieving higher top speed and greater acceleration.

The lubrication system has been improved with a redesigned pin to better distribute the grease, resulting in less friction, which leads to greater durability and lower operating temperatures.

It is ideal for installation in 50/70cc set-ups, for example:

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

- Assembly instructions

The kit includes:

• Variator
• Rollers 19x15.5 - 3.2 grams
  
• Rollers 19x15.5 - 3.8 grams
• Roller cover guides 3 pcs.
• Bushing (pin)
• Roller cover
  
• Star variator cover
• Central spring 87% stiffer ref 243.104
• Anti-twist spring