Polini tuning ECU engine control unit suitable for maxi scooters with 300cc such as Vespa GTS 300, Aprilia Scarabeo 300, Derbi Rambla, Gilera Nexus 300, Piaggio Beverly 300 and many others with Euro 3/4 engine.

Polini recommends this injection module for its tuning cylinders on 4-stroke injection engines in the maxi scooter range to ensure the best performance and longevity of the cylinders. The ECU engine control unit connects plug-and-play to the appropriate sensors and actuators on the vehicle and affects the ignition mapping and fuel injection amounts. Pre-programmed settings are selectable and pre-programmed for a setup with Polini cylinder and Polini exhaust, and a setup without Polini exhaust. The use of a Polini variator is recommended. In addition, a rotary potentiometer can be used to increase or decrease the fuel injection quantity by up to +/-3%.