Checking The Front Fork Legs; Assembling The Front Fork Legs - Yamaha Vmax VMX17C 2009 Service Manual

TIP
While holding the damper rod with the damper
rod holder "1", loosen the damper rod assembly
bolt.
Damper rod holder
90890-01447
YM-01447
5. Remove:
• Inner tube
M MMM M MMM M M MMM M M MMM M
a. Hold the front fork leg horizontally.
b. Securely clamp the brake caliper bracket in a
vise with soft jaws.
c. Separate the inner tube from the outer tube
by pulling the inner tube forcefully but careful-
ly.
ECA14190
NOTICE
• 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.
L LLL L LLL L L LLL L L LLL L
EAS23010

CHECKING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
M MMM M M MMM M MMM
L LLL L L LLL L LLL
4-73
1. Check:
• Inner tube
• Outer tube
Bends/damage/scratches → Replace.
EWA13650
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.
Fork spring free length
255.0 mm (10.04 in)
Limit
251.0 mm (9.88 in)
a
3. Check:
• Damper rod assembly
Damage/wear → Replace.
Obstruction → Blow out all of the oil passag-
es with compressed air.
• Oil flow stopper
Damage → Replace.
ECA14200
NOTICE
• 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 → Replace.
EAS23030

ASSEMBLING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
FRONT FORK