ECU EFI Euro4/Euro5 (60km/h) - GY6 50

60km/h EFI controller suitable for many vehicles with new 50cc GY6 (139QMB) Euro4/Euro5 EFI injection engine and Rongmao controller, designation MT5, from model year 2018. This ignition unit adjusts the ignition curve and removes the factory speed limit of 25km/h. Depending on the vehicle, the ECU can be placed under the helmet compartment on the right or under the panel on the front of the steering head/headstock. The ECU can be installed without a teach-in or engine tester. Just replace it with the original Rongmao ECU and you are done. Not suitable for Euro4 / Euro5 carburetor engines! Must only be used as a replacement for the Rongmao ECU!