Yamaha YZF-R125 Owners Manual: Replacing a turn signal light bulb

  1. Remove the turn signal light lens by removing the screw.


  1. Screw

  1. Remove the burnt-out bulb by pushing it in and turning it counterclockwise.
  2. Insert a new bulb into the socket, push it in, and then turn it clockwise until it stops.
  3. Install the lens by installing the screw. NOTICE: Do not overtighten the screw, otherwise the lens may break.

    Tail/brake light
    This model is equipped with an LEDtype tail/brake light. If the tail/brake light does not come on, have a Yamaha dealer check it. ...

    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. ...

    Other materials:

    Assembling the oil pump
    1. Lubricate: Oil pump inner rotor Oil pump outer rotor Oil pump driven gear (with the recommended lubricant) 2. Install: Oil pump outer rotor Oil pump inner rotor "1" Oil pump driven gear Pin "2" NOTE: When installing the inner rotor, align the pin "2" in the oil pump sh ...

    Checking the connections
    Check the leads, couplers, and connectors for stains, rust, moisture, etc. 1. Disconnect: Lead Coupler Connector 2. Check: Lead Coupler Connector Moisture → Dry with an air blower. Rust/stains → Connect and disconnect several times. 3. Check: All co ...

    Drive chain slack
    The drive chain slack should be checked before each ride and adjusted if necessary. To check the drive chain slack Place the motorcycle on the sidestand. TIP When checking and adjusting the drive chain slack, there should be no weight on the motorcycle. Shift the transmission in ...

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