Checking The Front Fork Legs - Yamaha FZS1000N Service Manual

FRONT FORK
CAUTION:
S Excessive force will damage the oil seal
and bushing. A damaged oil seal or bush-
ing must be replaced.
S Avoid bottoming the inner tube into the
outer tube during the above procedure, as
the oil flow stopper will be damaged.
EAS00657

CHECKING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
1. Check:
S inner tube 1
S 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:
S spring free length a
Over the specified limit ! Replace.
Spring free length limit
344.0 mm (13.5 in)
3. Check:
S damper rod
Damage/wear ! Replace.
Obstruction ! Blow out all of the oil pas-
sages with compressed air.
S oil flow stopper
Damage ! Replace.
CAUTION:
S The front fork leg has a built-in damper ad-
justing rod and a very sophisticated inter-
nal construction, which are particularly
sensitive to foreign material.
S When disassembling and assembling the
front fork leg, do not allow any foreign ma-
terial to enter the front fork.
4. Check:
S cap bolt O-ring
Damage/wear ! Replace.
4-50
CHAS