Yamaha YZ450F 2020 Owner's Service Manual page 167

a
13.Check:
• Damper assembly smooth movement
Tightness/binding/rough spots  Repeat the
steps (1) to (12).
14.Install:
• Dust seal "1"
New
• Oil seal clip "2"
• Oil seal "3"
New
• Washer "4"
• Outer tube bushing "5"
(to the inner tube "6")
ECA24550
NOTICE
Make sure that the numbered side of the oil
seal faces bottom side.
TIP
• Apply the lithium-soap-based grease on the
dust seal lip and oil seal lip.
• Apply the fork oil on the inner tube.
• When installing the oil seal, use vinyl seat "a"
with fork oil applied to protect the oil seal lip.
New
LS
4-49
15.Install:
• Piston metal "1"
New
TIP
Install the piston metal onto the slot on inner
tube.
16.Install:
• Outer tube "1"
(to the inner tube "2")
17.Install:
• Slide metal "1"
• Washer "2"
(to the outer tube)
TIP
Press the slide metal into the outer tube with fork
seal driver "3".
Fork seal driver
90890-01502
Fork seal driver (48)
YM-A0948
FRONT FORK