Checking The Front Fork Legs - Yamaha YZF-R1P Service Manual

FRONT FORK
EAS00656

CHECKING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
1. Check:
• inner tube 1
• outer tube 2
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 a
Out of specification → Replace.
Spring free length
246 mm (9.69 in)
3. Check:
• damper rod 1
Damage/wear → Replace.
• obstruction → Blow out all of the oil pas-
sages with compressed air.
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 O-ring
Damage/wear → Replace.
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CHAS