Yamaha YZF-R125 Service Manual: Replacing the headlight bulbs

The following procedure applies to the low beam headlight bulb.

1. Remove:

  • Headlight bulb cover "1"

Replacing the headlight bulbs


2. Remove:

  • Headlight bulb holder "1"

Replacing the headlight bulbs


3. Remove:

  • Headlight bulb "1"

Replacing the headlight bulbs


WARNING

Since the headlight bulb gets extremely hot, keep flammable products and your hands away from the bulb until it has cooled down.

4. Install:

  • Headlight bulb
    Secure the new headlight bulb with the headlight bulb holder.
CAUTION:

Avoid touching the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of the glass, the life of the bulb and the luminous flux will be adversely affected. If the headlight bulb gets soiled, thoroughly clean it with a cloth moistened with alcohol or lacquer thinner.

5. Install:

  • Headlight bulb holder

6. Install:

  • Headlight bulb cover

The following procedure applies to the high beam headlight bulb.

1. Remove:

  • Headlight bulb cover "1"

Replacing the headlight bulbs


2. Disconnect:

  • Headlight coupler "1"

Replacing the headlight bulbs


3. Remove:

  • Headlight bulb holder "1"

Replacing the headlight bulbs


4. Remove:

  • Headlight bulb "1"

Replacing the headlight bulbs


WARNING

Since the headlight bulb gets extremely hot, keep flammable products and your hands away from the bulb until it has cooled down.

5. Install:

Headlight bulb
Secure the new headlight bulb with the headlight bulb holder.

CAUTION:

Avoid touching the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of the glass, the life of the bulb and the luminous flux will be adversely affected. If the headlight bulb gets soiled, thoroughly clean it with a cloth moistened with alcohol or lacquer thinner.

6. Install:

  • Headlight bulb holder

7. Connect:

  • Headlight coupler

8. Install:

  • Headlight bulb cover
    Electrical system
    Checking and charging the battery Refer to "ELECTRICAL COMPONENTS" on page 8-57. Checking the fuses Refer to "ELECTRICAL COMPONENTS" on page 8-57. ...

    Adjusting the headlight beams
    The following procedure applies to both of the headlights. 1. Adjust: Headlight beam (vertically) a. Turn the adjusting screw "1" in direction "a" or "b". A. Left headlight B. Right he ...

    Other materials:

    Checking the clutch housing
    1. Check: Clutch housing dogs "1" Damage/pitting/wear  Deburr the clutch housing dogs or replace the clutch housing. NOTE: Pitting on the clutch housing dogs will cause erratic clutch operation. 2. Check: Bearing Damage/wear Replace the bearing and clutch housin ...

    Setting the diagnostic mode
    1. Set the main switch to "OFF" and the engine stop switch to " ". 2. Disconnect the self-diagnosis signal connector "1", and then connect the FI diagnostic tool "2" as shown. 3. Disconnect the fuel pump coupler. 4. While pressing the "MODE" button, set the main switch to "ON". NOTE: ...

    Checking the spark plug cap
    1. Check: Spark plug cap resistance Out of specification Replace. a. Remove the spark plug cap from the spark plug lead. b. Connect the pocket tester ( × 1k) to the spark plug cap as shown. c. Measure the spark plug cap resistance. ...

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