The new Polini cylinder kit made of aluminum light alloy is specific for Yamaha Aerox 50 iGET 4str. 4V euro 4.
- Displacement increase to 66,29cc
- Bore of 44mm and compression ratio of 12,4:1.
- The cylinder kit includes cylinder, piston, a bigger air filter sleeve to increase the air flow and an ECU with wiring and map.
