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:

Checking the brake fluid level
1. Stand the vehicle on a level surface. NOTE: Place the vehicle on a suitable stand. Make sure the vehicle is upright. 2. Check: Brake fluid level Below the minimum level mark "a" → Add the recommended brake fluid to the proper level. A. Front brake B. Rear brake WA ...

Checking the front brake disc
1. Remove: Front wheel Refer to "FRONT WHEEL" on page 4-6. 2. Check: Brake disc Damage/galling Replace. 3. Measure: Brake disc deflection Out of specification Correct the brake disc deflection or replace the brake disc. a. Place the vehicle on a suitable stand ...

Replacing an auxiliary light bulb
This model is equipped with two auxiliary lights. If an auxiliary light bulb burns out, replace it as follows. Remove the socket (together with the bulb) by pulling it out. Auxiliary light bulb Remove the burnt out bulb by pulling it out. Insert a new bulb into t ...