Yamaha WR250F(Y) 2009, Руководство по эксплуатации для владельца

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6-19
FRONT FORK
CHECKING THE INNER TUBE
1. Inspect:
• Inner tube surface "a"
Score marks
→
Repair or replace.
Use #1,000 grit wet sandpaper.
Damaged oil lock piece
→
Re-
place.
• Inner tube bends
Out of specification
→
Replace.
Use the dial gauge "1".
The bending value is shown by one
half of the dial gauge reading.
Do not attempt to straighten a bent
inner tube as this may dangerous-
ly weaken the tube.
CHECKING THE OUTER TUBE
1. Inspect:
• Outer tube "1"
Score marks/wear/damage
→
Re-
place.
CHECKING THE FRONT FORK
CAP BOLT
1. Inspect:
• Front fork cap bolt "1"
• O-ring "2"
• Air bleed screw "3"
Wear/damage
→
Replace.
ASSEMBLING THE FRONT FORK
1. Wash the all parts in a clean sol-
vent.
2. Install:
• Damper rod "1"
To inner tube "2".
To install the damper rod into the
inner tube, hold the inner tube
aslant. If the inner tube is held ver-
tically, the damper rod may fall into
it, damaging the valve inside.
3. Install:
• Copper washer "1"
• O-ring "2"
• Base valve "3"
To inner tube "4".
4. Tighten:
• Base valve "1"
• Use a damper rod holder "2" to lock
the damper rod "3".
• Apply the LOCTITE
®
on the base
valve thread.
5. Install:
• Spring guide "1"
• Locknut "2"
To damper rod "3".
• Install the spring guide with its
smaller dia.end "a" facing down-
ward.
• With its thread "b" facing upward,
fully finger tighten the locknut onto
the damper rod.
6. Install:
• Dust seal "1"
• Stopper ring "2"
• Oil seal "3"
• Oil seal washer "4"
• Slide metal "5"
To inner tube "6".
• Apply the fork oil on the inner tube.
• When installing the oil seal, use vi-
nyl seat "a" with fork oil applied to
protect the oil seal lip.
• Install the oil seal with its manufac-
ture's marks or number facing the
axle holder side.
• Install the oil seal washer with its
projections "b" facing upward.
Inner tube bending limit:
0.2 mm (0.008 in)
Base valve:
55 Nm (5.5 m•kg, 40
ft•lb)
Damper rod holder:
YM-01494/90890-01494