The generator for Viper 125-200 cc motorcycles and similar (China, Minsk) is the assembly that produces electricity for the lights and ignition and charges the battery while the engine is running.
A fault shows up as dim lights, a battery that keeps discharging and ignition problems. Before replacing it, check the voltage regulator and the connectors.
- Compare the number and position of the contacts with your connector.
- Make sure the ground wire is securely connected to the frame.
