Checking The Front Fork Legs - Yamaha MT-03 Service Manual

CAUTION:
• Excessive force will damage the oil seal
and bushing. A damaged oil seal or bush-
ing must be replaced.
• Avoid bottoming the inner tube into the out-
er 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:
• Inner tube "1"
• Outer tube "2"
Bends/ damage/ scratches
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
Spring free length
376.0 mm (14.80 in)
<Limit> : 368.0 mm (14.48 in)
Replace.
Replace.
3. Check:
• Damper rod "1"
Damage/ wear Replace.
Obstruction
sages with compressed air.
• Oil flow stopper "2"
Damage
2
CAUTION:
• 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.
• When disassembling and assembling the
front fork leg, do not allow any foreign ma-
terial to enter the front fork.
4. Check:
• Cap bolt O-ring
Damage/wear
4-50
FRONT FORK
Blow out all of the oil pas-
Replace.
1
Replace.