Front Fork; Removing The Front Fork Legs; Disassembling The Front Fork Legs - Yamaha WR450FB 2012 Owner's Service Manual

EAS22970

REMOVING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
ECA1DX1009
NOTICE
To prevent an accidental explosion of air,
the following instructions should be ob-
served:
• Before removing the base valves or front
forks, be sure to extract the air from the air
chamber completely.
TIP
• Place the vehicle on a suitable stand so that
the front wheel is elevated.
• Record the adjusting screw setting position
before loosening the adjuster and the base
valve.
2. Loosen:
• Upper bracket pinch bolts
• Damper assembly
• Lower bracket pinch bolts
EWA13120
WARNING
Before loosening the upper and lower
bracket pinch bolts, support the front fork
leg.
TIP
Before removing the front fork leg from the ve-
hicle, loosen the damper assembly "1" with the
cap bolt ring wrench "2".
Cap bolt ring wrench
90890-01501
YM-01501
1
2
5-47
3. Remove:
• Front fork leg
EAS22980

DISASSEMBLING THE FRONT FORK LEGS

The following procedure applies to both of 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"
• Hold the locknut and remove the adjuster.
ECA14180
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
YM-01501
1
3. Remove:
• Dust seal "1"
• Oil seal clip "2"
(with a flat-head screwdriver)
ECA14180
NOTICE
Do not scratch the inner tube.

FRONT FORK

4
3
2