Chassis

Checking the steering head

~1min read

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 steering head pipe with a long rod "1" and hammer.

b. Remove the bearing race from the lower bracket with a floor chisel "2" and hammer.

c. Install a new dust seal and new bearing races.

CAUTION:

If the bearing races are not installed properly, the steering head pipe could be damaged.

NOTE:

  • Always replace the bearings and bearing races as a set.
  • Whenever the steering head is disassembled, replace the dust seal.
Checking the steering head

4. Check:

  • Upper bracket
  • Lower bracket (along with the steering stem) Bends/cracks/damage →Replace.

Test yourself

A quick Yamaha YZF-R125 quiz: every answer comes with an explanation and a link to the manual page.