Checking The Steering Head - Yamaha 2004 YP400 Service Manual

STEERING HEAD
EAS00681

CHECKING THE STEERING HEAD

1. Wash:
• bearings
• bearing races
Recommended cleaning solvent
Kerosene
2. Check:
• bearings 1
• bearing races 2
Damage/pitting → Replace.
3. Replace:
• bearings
• bearing races
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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 rubber seal and new bearing
races.
CAUTION:
_
If the bearing race is 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 disassem-
bled, replace the rubber seal.
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4. Check:
• upper bracket
• lower bracket
(along with the steering stem)
Bends/cracks/damage → Replace.
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CHAS
M M MMM M M MMM M
L L LLL L L LLL L
M MMM M MMM
L LLL L LLL