cylinder kit Polini aluminum 66.29cc for Yamaha Aerox 50 iGET 4V EU4 166.0116

Polini cylinder kit in aluminium light alloy specially designed for Yamaha Aerox 50 iGET 4T Euro 4 models. Performance is significantly increased thanks to the 66.29cc, a 44mm bore and a compression ratio of 12.4:1. The kit comes with cylinder, piston, larger air filter sleeve to improve airflow and a CDI with wiring and map.