CHAS
43
EAS00656
CHECKING THE FRONT FORK LEGS
(YZF-R1S)
The following procedure applies to both of the
front fork legs.
1. Check:
• inner tube
• outer tube
Bends / damage / scratches
→
Replace.
WARNING
Do not attempt to straighten a bent inner
tube as this may dangerously weaken it.
2. Measure:
• spring free length
Out of specification
→
Replace.
3. Check:
• damper rod
Damage / wear
→
Replace.
Obstruction
→
Blow out all of the oil pas-
sages with compressed air.
• damper rod adjusting rod
Bends / damage
→
Replace.
CAUTION:
• The front fork leg has a built-in damper
adjusting rod and a very sophisticated
internal construction, which are particu-
larly sensitive to foreign material.
• When disassembling and assembling the
front fork leg, do not allow any foreign
material to enter the front fork.
4. Check:
• cap bolt
Damage
→
Replace.
• cap bolt O-ring
Spring free length
260 mm (10.24 in)
<Limit> : 254.8 mm (10.03 in)
FRONT FORK