Yamaha WR450F(S) Owner's Service Manual page 252

DRIVE CHAIN STOPPER INSPECTION/FRONT FORK INSPECTION/
FRONT FORK OIL SEAL AND DUST SEAL CLEANING
1
a
1
3 - 36
Tighten the axle nut while pushing down
G
the drive chain.
Axle nut:
125 Nm (12.5 m • kg, 90 ft • lb)
Tighten the locknuts.
G
Locknut:
16 Nm (1.6 m • kg, 11 ft • lb)
DRIVE CHAIN STOPPER INSPECTION
1. Inspect:
Drive chain stopper 1
G
Wear indicator groove a has almost
disappeared → Replace.
2. Replace:
Drive chain stopper
G
7 Nm (0.7 m · kg, 5.1 ft · lb)
EC36C000
FRONT FORK INSPECTION
1. Inspect:
Front fork smooth action
G
Operate the front brake and stroke the
front fork.
Unsmooth action/oil leakage → Repair
or replace.
EC36D001
FRONT FORK OIL SEAL AND DUST SEAL
CLEANING
1. Remove:
Protector
G
Dust seal 1
G
NOTE:
Use a thin screw driver, and be careful not to
damage the inner fork tube and dust seal.
2. Clean:
Dust seal a
G
Oil seal b
G
NOTE:
Clean the dust seal and oil seal after every
G
run.
Apply the lithium soap base grease on the
G
inner tube.
INSP
ADJ