Yamaha YZF-R125 Owners Manual: Replacing the fuses

Yamaha YZF-R125 Owners Manual / Periodic maintenance and adjustment / Replacing the fuses

Replacing the fuses

Fuse box
Spare fuse
Headlight fuse
Signaling system fuse
Ignition fuse
Radiator fan fuse
Main fuse

The fuse box is located under the rider seat.

If a fuse is blown, replace it as follows.

Turn the key to "OFF" and turn off the electrical circuit in question.
Remove the blown fuse, and then install a new fuse of the specified amperage. WARNING! Do not use a fuse of a higher amperage rating than recommended to avoid causing extensive damage to the electrical system and possibly a fire.

Specified fuses:

Main fuse:

20.0 A

Ignition fuse:

7.5 A

Signaling system fuse:

7.5 A

Headlight fuse:

15.0 A

Radiator fan fuse:

5.0 A

Turn the key to "ON" and turn on the electrical circuit in question to check if the device operates.
If the fuse immediately blows again, have a Yamaha dealer check the electrical system.

Battery

A poorly maintained battery will corrode and discharge quickly. The electrolyte level, battery lead connections and breather hose routing should be checked before each ride and at the interval ...

Replacing a headlight bulb

This model is equipped with quartz bulb headlights. If a headlight bulb burns out, have a Yamaha dealer replace it and, if necessary, adjust the headlight beam. ...

Other materials:

Checking the thermostat
1. Check: Thermostat Does not open at 80.5-83.5 C (176.9-182.3 F) Replace. a. Suspend the thermostat "1" in a container "2" filled with water. b. Slowly heat the water "3". c. Place a thermometer "4" in the water. d. While stirring the water, observe the thermostat and th ...

Operation and important riding points
Read the Owner's Manual carefully to become familiar with all controls. If there is a control or function you do not understand, ask your Yamaha dealer. WARNING Failure to familiarize yourself with the controls can lead to loss of control, which could cause an accident or injury. TIP ...

Intake air pressure sensor
1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...