Yamaha YZF-R125 Service Manual: Fuel pump system

Troubleshooting details

This section describes the measures per fault code number displayed on the FI diagnostic tool. Check and service the items or components that are the probable cause of the malfunction following t ...

Circuit diagram

4. Main fuse 5. Main switch 9. Battery 17.Engine stop switch 25.ECU (engine control unit) 30.Fuel pump 64.Ignition fuse ...

Other materials:

Fuel
Make sure there is sufficient gasoline in the tank. WARNING Gasoline and gasoline vapors are extremely flammable. To avoid fires and explosions and to reduce the risk of injury when refueling, follow these instructions. Before refueling, turn off the engine and be sure that no on ...

Assembling the front fork legs
The following procedure applies to both of the front fork legs. WARNING Make sure the oil levels in both front fork legs are equal. Uneven oil levels can result in poor handling and a loss of stability. NOTE: When assembling the front fork leg, be sure to rep ...

Checking and lubricating the sidestand
Checking and lubricating the sidestand The operation of the sidestand should be checked before each ride, and the sidestand pivot and metal-to-metal contact surfaces should be lubricated if necessary. WARNING If the sidestand does not move up and down smoothly, have a Yamaha deal ...