Yamaha YZ450FP 2023, Owner'S Service Manual, Page: 177 / 388

STEERING HEAD
4-61
2. Install:
• Bearing race
•
Upper bearing “1”
• Bearing race cover “2”
TIP
Apply the lithium-soap-based grease on the
bearing and bearing race cover lip.
3. Install:
•
Lower bracket “1”
TIP
Apply the lithium-soap-based grease on the
bearing, the portion “a” and thread of the steer-
ing stem.
4. Install:
• Steering ring nut “1”
TIP
Install the steering ring nut with its stepped side
“a” facing downward.
Tighten the steering ring nut with a steering
nut wrench “2”.
Refer to “CHECKING AND ADJUSTING
THE STEERING HEAD” on page 3-28.
5. Check the steering stem by turning this lock
to lock. If there is any binding, remove the
steering stem and check the steering bear-
ing.
6. Install:
• Washer “1”
7. Install:
•
Front fork “1”
•
Upper bracket “2”
TIP
•
Temporarily tighten the lower bracket pinch
bolts.
•
Do not tighten the upper bracket pinch bolts
yet.
Steering ring nut
7 N·m (0.7 kgf·m, 5.2 lb·ft)
LS
1
a
LS LS
T
R
.
.