ECU EFI ignition box Rongmao unrestricted for 50cc 4-stroke GY6 Chinese scooters Euro4, Euro5 / GT Union, Alpha Motors, TGB, Motowell

35km/h EFI control unit suitable for many 25km/h vehicles with new 50cc GY6 (139QMB) Euro4 / Euro5 EFI injection engine and Rongmao control unit, designation MT5, from 2018 model year. This ignition unit adjusts the ignition curve and removes the factory speed limit of 25km/h.

Depending on the vehicle, the ECU can be located under the helmet compartment on the right or under the fairing at the front of the control head / steering head.

The assembly of the ECU is possible without learning or engine tester. Simply replace against the original Rongmao ECU, ready.

Not suitable for Euro4 / Euro5 carburetor engines! Only as a replacement for Rongmao ECU to use!