Checking The Front Fork Legs - Yamaha YZ250FX 2022 Owner's Service Manual

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.
5. Remove:
• Base valve "1"
(from the damper assembly)
TIP
Hold the damper assembly with the cap bolt ring
wrench "2" and use the cap bolt wrench "3" to re-
move the base valve.
4
3
2
1
2
4-44
Cap bolt wrench
90890-01500
Cap bolt wrench
YM-01500
Cap bolt ring wrench
90890-01501
Cap bolt ring wrench
YM-01501
3
2
EAM30057

CHECKING THE FRONT FORK LEGS

1. Check:
• Inner tube surface
Scratches  Repair or replace.
Use #1000 grit wet sandpaper.
Damaged oil lock piece  Replace.
• Inner tube bends
Out of specification  Replace.
Use the dial gauge.
Inner tube bending limit
0.2 mm (0.01 in)
TIP
The bending value is shown by one half of the
dial gauge reading.
EWA13650
WARNING
Do not attempt to straighten a bent inner
tube as this may dangerously weaken it.
2. Check:
• Outer tube
Scratches/wear/damage  Replace.
3. Measure:
• Fork spring free length "a"
Out of specification  Replace.
Fork spring free length limit
492.0 mm (19.37 in)
FRONT FORK
1