On the test rig: Polini Evo 133cc, Strohspeed intake, PWK33, Franz exhaust
The European Scooter Challenge (ESC) is just about to start. New engines and new scooters will be seen across the race tracks in Germany, France, Austria and Hungary. We just had a typical K1 engine on our test rig recently which we tested for its performance and functioning. According to the ESC rules, the stroke […]