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:

    Bearings and oil seals
    Install bearings "1" and oil seals "2" so that the manufacturer's marks or numbers are visible. When installing oil seals "1", lubricate the oil seal lips with a light coat of lithium-soap-based grease. Oil bearings liberally when installing, if appropriate. CAUTION:Do not spin th ...

    Checking the valve springs
    The following procedure applies to all of the valve springs. 1. Measure: Valve spring free length "a" Out of specification Replace the valve spring. 2. Measure: Compressed valve spring force "a" Out of specification Replace the valve spring. b. Installed length 3. ...

    Adjusting the rear disc brake
    1. Check: Brake pedal position (distance "a" from the center of the rider footrest to the center of the brake pedal) Out of specification Adjust. 2. Adjust: Brake pedal position a. Loosen the locknut "1". b. Remove the cotter pin "2", washer "3", and pin "4". c. Turn t ...

    2026 Copyright www.yam-r125.net |