What is the reason for the F1 light on a motorcycle?

1 Answers
DiArianna
07/30/25 3:03am
Motorcycle F1 light on is caused by fuel injection or ignition system failure. Here are the detailed reasons for the F1 light on a motorcycle: 1. Definition: F1 stands for Electronic Fuel Injection, simply referred to as EFI. The core of the EFI system is the ECU, which is like the brain of the motorcycle. Sensors on the main components of the motorcycle collect information and send it to the ECU for processing. If any sensor fails, the relevant sensor will report an error, generating a fault code in the ECU. 2. Solution: It is necessary to go to the after-sales service to read the fault code based on the flashing frequency of the light to determine the fault content, and then repair accordingly.
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