The Polini Hi-Speed Variator is designed to offer maximum performance for scooters equipped with the Minarelli 4-stroke engine. Thanks to an optimized ramp design and high-quality components, it provides sharper...
This is the Polini 16/51 primary transmission for Bws/Zuma 50F & 50X. Installing this Polini primary transmission allows you to lengthen your transmission ratio. This will give you more extension...
Concretely your machine will gain in acceleration and recovery, the top speed will be slightly increased due to the increase in engine torque. The Polini Alu 66cc MBK Booster X...