Removing The Front Fork Legs; Disassembling The Front Fork Legs - Yamaha WR450FN 2022 Owner's Service Manual

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EAM30055

REMOVING THE FRONT FORK LEGS

1. Use a maintenance 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.
TIP
Record the adjusting screw setting position be-
fore loosening the adjuster and the base valve.
2. Loosen:
• Upper bracket pinch bolt
• Damper assembly
• Lower bracket pinch bolt
EWA20350
WARNING
Before loosening the upper and lower brack-
et pinch bolts, support the front fork leg.
TIP
Before removing the front fork leg from the vehi-
cle, loosen the damper assembly "1" with the
cap bolt ring wrench "2".
Cap bolt ring wrench
90890-01501
Cap bolt ring wrench
YM-01501
1
3. Remove:
• Front fork leg
EAM30056

DISASSEMBLING THE FRONT FORK LEGS

1. Drain:
• Fork oil
2. Remove:
• Adjuster "1"
(from the inner tube)
TIP
• While compressing the inner tube "2", set the
cap bolt ring wrench "4" between the inner tube
and locknut "3".
2
4-45
• Hold the locknut and remove the adjuster.
ECA24520
NOTICE
Do not remove the locknut as the damper rod
may go into the damper assembly and not be
taken out.
Cap bolt ring wrench
90890-01501
Cap bolt ring wrench
YM-01501
1
3. Remove:
• Dust seal "1"
• Stopper ring "2"
(with a flat-head screwdriver)
ECA14180
NOTICE
Do not scratch the inner tube.
4. Remove:
• Inner tube "1"
a. Push in slowly "a" the inner tube just be-
fore it bottoms out and then pull it back
quickly "b".
b. Repeat this step until the inner tube can be
pulled out from the outer tube.
FRONT FORK
4
3
2
1
2

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Wr450f 2022

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