Yamaha YZF-R125 Owners Manual: Replacing an auxiliary light bulb

This model is equipped with two auxiliary lights. If an auxiliary light bulb burns out, replace it as follows.

  1. Remove the socket (together with the bulb) by pulling it out.


  1. Auxiliary light bulb

  1. Remove the burnt out bulb by pulling it out.
  2. Insert a new bulb into the socket.
  3. Install the socket (together with the bulb) by pushing it in.
    Replacing the license plate light bulb
    Remove the socket (together with the bulb) by pulling it out. License plate light bulb Remove the burnt-out bulb by pulling it out. Insert a new bulb into the socket. ...

    Supporting the motorcycle
    Since this model is not equipped with a centerstand, follow these precautions when removing the front and rear wheel or performing other maintenance requiring the motorcycle to stand upright. ...

    Other materials:

    Outline of the fi system
    The main function of a fuel supply system is to provide fuel to the combustion chamber at the optimum air-fuel ratio in accordance with the engine operating conditions and the atmospheric temperature. In the conventional carburetor system, the air-fuel ratio of the mixture that is supplied t ...

    Removing the front wheel (disc)
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Elevate: Front wheel NOTE: Place the vehicle on a suitable stand so that the front wheel is elevated. 3. Remove: Front brake caliper NO ...

    Checking the turn signal relay
    1. Check: Turn signal relay input voltage Out of specification →The wiring circuit from the main switch to the turn signal relay coupler is faulty and must be repaired. a. Connect the pocket tester (DC 20 V) to the turn signal relay terminal as shown. - Positive tester probe  b ...

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