Chassis
Checking the steering head
In this manual: Chassis
~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.

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.
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