What are the symptoms of a faulty motorcycle relay?

1 Answers
JaydenDella
07/29/25 9:34pm
When a motorcycle relay is damaged, it will cause an open circuit in the starting circuit, preventing the starter from rotating normally. At the same time, it may burn out the motor and drain the battery, rendering the motorcycle unusable. Below is an introduction to the relay: 1. The relay consists of: a coil, a movable iron core, and two terminals. It is connected in series with some coils and the motor in the motorcycle's starting circuit. The relay is usually installed in the motorcycle's electric start circuit. 2. After the relay fails: the contacts of the electric start switch may have poor contact, with the main symptom being the inability to start normally. Relay failure may also cause the gear switch to open circuit, preventing the motorcycle from moving normally after shifting gears. 3. Because the iron core in the relay coil is connected to the two terminals: after the relay is damaged, it is also very easy to damage the electrical equipment on the starting circuit.
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