Polini 70cc Aluminium racing cylinder kit for Piaggio air-cooled 2-stroke scooters.

The Polini cylinder kit is an entry level racing cylinder kit, engineered to deliver high performance and an exhilarating riding experience, producing a maximum output of 11.6bhp at 10,200 rpm.

Power is achieved with six transfer ports & an exhaust port with 2 booster ports. The aluminium cylinder has a "Gilnisil" coating to reduce wear, its aluminium construction not only reduces overall weight but also enhances heat dissipation, helping to improve engine efficiency and longevity.

An entry level racing exhaust (Yasuni C-16 or similar) & 21mm carburettor is recommended to get the most out of this cylinder kit.

Specifications:
Bore: 47.6mm
Stroke: 39.3mm (standard)
Displacement: 69.93cc
Material: Aluminium

Polini 140.0214