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:

    Checking the horn
    1. Check: Horn resistance Out of specification Replace. a. Disconnect the horn connectors from the horn terminals. b. Connect the pocket tester ( × 1) to the horn terminals. Positive tester probe horn terminal "1" Negative tester probe horn terminal "2" c. Measure t ...

    Checking the shift forks
    The following procedure applies to all of the shift forks. 1. Check: Shift fork cam follower "1" Shift fork pawl "2" Bends/damage/scoring/wear Replace the shift fork. 2. Check: Shift fork guide bar Roll the shift fork guide bar on a flat surface. Bends  Replace. ...

    Checking the drive sprocket
    1. Check: Drive sprocket More than 1/4 tooth "a" wear Replace the drive chain sprockets as a set. Bent teeth Replace the drive chain sprockets as a set. b. Correct 1. Drive chain roller 2. Drive chain sprocket Checking the rear wheel sprocket Refer to "CHECKING AND R ...

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