Yamaha YZF-R125 Owners Manual: Replacing the fuses


Replacing the fuses

  1. Fuse box
  2. Spare fuse
  3. Headlight fuse
  4. Signaling system fuse
  5. Ignition fuse
  6. Radiator fan fuse
  7. Main fuse

The fuse box is located under the rider seat.

If a fuse is blown, replace it as follows.

  1. Turn the key to "OFF" and turn off the electrical circuit in question.
  2. 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

  1. Turn the key to "ON" and turn on the electrical circuit in question to check if the device operates.
  2. 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:

    Assembling the front brake caliper
    WARNING Before installation, all internal brake components should be cleaned and lubricated with clean or new brake fluid. Never use solvents on internal brake components as they will cause the brake caliper dust seals and piston seals to swell and distort. ...

    Removing the rear brake master cylinder
    NOTE: Before removing the rear brake master cylinder, drain the brake fluid from the entire brake system. 1. Disconnect: Rear brake light switch coupler 2. Loosen: Rear brake light switch "1" 3. Remove: Rear brake master cylinder bolts Rear brake master cylinder 4. Remove: ...

    Checking the piston pin
    1. Check: Piston pin Blue discoloration/grooves  Replace the piston pin and then check the lubrication system. 2. Measure: Piston pin outside diameter "a" Out of specification Replace the piston pin. 3. Measure: Piston pin bore diameter "b" Out of specifica ...

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