Polini Cylinder Kit 154cc aluminium d=60mm Aprilia RS 125 (Rotax 122-123)

It is a Nikasil-plated aluminium cylinder with increased displacement - 154cc instead of the original 125cc. This, as a matter of fact, results in slightly increased performance, especially regarding torque, and a wider rpm range. Renowned Italian manufacturer with one of the few kits with more than 125cc for this type of engine on the market.

The kit includes cylinder, piston, combustion chamber for cylinder head and gaskets (including spacers for adjusting squish); cylinder head cover is not included, keep original!.

Suitable for all 125cc Rotax 122-123 2-stroke engines, it is compatible with numerous 125cc sport bikes such as:

• Aprilia : AF1 Futura, AF1 Replica, AF1 Sintesi, Europa, MX, Pegaso, Red Rose (with Rotax 122-123 engine), RS, RS Extrema, RX, Sport, SX, Tuareg Rally and Tuareg Wind.
• HM : Derapage and CRE