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:

    Types of bulbs
    The bulbs used on this vehicle are shown in the illustration. Bulbs "a" and "b" are used for the headlights and usually use a bulb holder that must be detached before removing the bulb. The majority of these types of bulbs can be removed from their respective socket by turning them coun ...

    Checking the front brake disc
    1. Remove: Front wheel Refer to "FRONT WHEEL" on page 4-6. 2. Check: Brake disc Damage/galling Replace. 3. Measure: Brake disc deflection Out of specification Correct the brake disc deflection or replace the brake disc. a. Place the vehicle on a suitable stand ...

    Checking the cooling system
    1. Remove: Side covers Upper side cowlings Refer to "GENERAL CHASSIS" on page 4-1. 2. Check: Radiator "1" Radiator inlet hose "2" Radiator outlet hose "3" Coolant reservoir hose "4" Water pump breather hose "5" Cracks/damage → Replace. Refer to "RADIATOR" on page 6-1 ...

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