Removing The Lower Bracket; Checking The Steering Head; Installing The Steering Head - Yamaha YZ250F Owner's Service Manual

REMOVING THE LOWER BRACKET

EAS1SM5173
1. Use a suitable stand to raise the front wheel
off the ground.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Remove:
• Ring nut "1"
TIP
Remove the ring nut with the steering nut
wrench "2".
Steering nut wrench
90890-01403
Exhaust flange nut wrench
YU-A9472
EWA13730
WARNING
Securely support the lower bracket so that
there is no danger of it falling.

CHECKING THE STEERING HEAD

EAS1SM5174
1. Wash with kerosene:
• Bearing
• Bearing races
2. Check:
• Bearing
• Bearing races
Damage/pitting  Replace.
3. Replace:
• Bearing
• Bearing races
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Remove the bearing race from the steering
head pipe with a long rod "1" and a hammer.
b. Remove the bearing race from the lower
bracket with a chisel "2" and a hammer.
c. Install a new bearing race.
ECA14270
NOTICE
If the bearing race is not installed properly,
the steering head pipe could be damaged.
TIP
Always replace the bearing and the bearing
race as a set.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
4. Check:
• Upper bracket
• Lower bracket
(along with the steering stem)
Bends/cracks/damage  Replace.

INSTALLING THE STEERING HEAD

EAS1SM5175
1. Install:
• Lower bearing "1"
TIP
Apply the lithium soap base grease on the dust
seal lip and bearing inner circumference.
4-50
STEERING HEAD