Checking The Front Fork Legs; Assembling The Front Fork Legs - Yamaha MBK MW125 2014 Service Manual

T-handle
90890-01326
T-handle 3/8" drive 60 cm long
YM-01326
4. Remove:
• Inner tube
▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
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.
ECA21680
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 (main tube
side only).
▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
EAS30208

CHECKING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
1. Check:
• Inner tube
• Outer tube
Bends/damage/scratches → Replace.
1
2
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▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
EWA13650
WARNING
Do not attempt to straighten a bent inner
tube as this may dangerously weaken it.
2. Measure (main tube side only):
• Fork spring free length "a"
Out of specification → Replace.
▼▼▼
3. Check (main tube side only):
• Damper rod
Damage/wear → Replace.
Obstruction → Blow out all of the oil passag-
es with compressed air.
• Oil flow stopper
Damage → Replace.
EAS30209

ASSEMBLING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
EWA13660
WARNING
• Make sure the oil levels in both front fork
legs are equal.
• Uneven oil levels can result in poor han-
dling and a loss of stability.
TIP
• When assembling the front fork leg, be sure to
replace the following parts:
–Inner tube bushing
▲▲▲
–Outer tube bushing
–Oil seal
–Oil seal clip
–Dust seal
–Copper washer
–O-ring
• Before assembling the front fork leg, make
sure all of the components are clean.
4-71
FRONT FORKS
Fork spring free length
266.7 mm (10.50 in)
Limit
261.4 mm (10.29 in)