Yamaha YZF-R125 Service Manual: Installing the steering head

Yamaha YZF-R125 Service Manual / Chassis / Steering head / Installing the steering head

1. Lubricate:

  • Upper bearing
  • Lower bearing
  • Bearing races

2. Install:

  • Lower ring nut
  • Rubber washer
  • Upper ring nut
  • Lock washer Refer to "CHECKING AND ADJUSTING THE STEERING HEAD" on page 3-22.

3. Install:

  • Upper bracket
  • Steering stem nut

NOTE:

Temporarily tighten the steering stem nut.

4. Install:

  • Front fork legs Refer to "FRONT FORK" on page 4-44.

NOTE:

Temporarily tighten the upper and lower bracket pinch bolts.

5. Tighten:

  • Steering stem nut

    Checking the steering head
    1. Wash: Bearings Bearing races 2. Check: Bearings Bearing races Damage/pitting →Replace. 3. Replace: Bearings Bearing races a. Remove the bearing races from the ste ...

    Rear shock absorber assembly
    ...

    Other materials:

    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. Check that the motorcycle is in a stable and level position before starting any maintenance. A ...

    Faulty lighting or signaling system
    Headlight does not come on - Wrong headlight bulb - Too many electrical accessories - Hard charging - Incorrect connection - Improperly grounded circuit - Poor contacts (main or light switch) - Burnt-out headlight bulb Headlight bulb burnt out - Wrong headlight bulb - Faulty battery - Fau ...

    Unstable handling
    Handlebars - Bent or improperly installed right handlebar - Bent or improperly installed left handlebar 1. Steering head components - Improperly installed upper bracket - Improperly installed lower bracket (improperly tightened ring nut) - Bent steering stem - Damaged ball bearing or bearing ...

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