Removing The Lower Bracket; Checking/Installing The Steering Head - Yamaha YZF-R25 Service Manual

EAS30213

REMOVING THE LOWER BRACKET

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Remove:
• Upper ring nut
• Rubber washer
• Lower ring nut "1"
• Lower bracket
EWA13730
WARNING
Securely support the lower bracket so that
there is no danger of it falling.
TIP
Remove the lower ring nut with the steering nut
wrench "2".
Steering nut wrench
90890-01403
Exhaust flange nut wrench
YU-A9472
1
EAS30214
CHECKING THE STEERING HEAD
1. Wash:
• Bearings
• Bearing races
Recommended cleaning solvent
Kerosene
2. Check:
• Bearings
• Bearing races
Damage/pitting → Replace the bearings and
bearing races as a set.
3. Replace:
• Bearings
• Bearing races
2
4-72
STEERING HEAD
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a. Remove the bearing races from the steering
head pipe "1" with a long rod "2" and hammer.
b. Remove the bearing race "3" from the lower
bracket with a floor chisel "4" and hammer.
c. Install a new dust seal and new bearing rac-
es.
ECA14270
NOTICE
If the bearing race is not installed properly,
the steering head pipe could be damaged.
TIP
• Always replace the bearings and bearing races
as a set.
• Whenever the steering head is disassembled,
replace the dust seal.
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4. Check:
• Upper bracket
• Lower bracket
(along with the steering stem)
Bends/cracks/damage → Replace.
EAS30216
INSTALLING THE STEERING HEAD
1. Lubricate:
• Upper bearing
• Lower bearing
• Bearing cover
• Lower bearing dust seal
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