5 - 31
CHAS
Base valve
1. Inspect:
• Base valve
1
Wear/damage
→
Replace.
Contamination
→
Clean.
• O-ring
2
Wear/damage
→
Replace.
• Bush
3
Wear/damage
→
Replace base valve.
• Spring
4
Damage/fatigue
→
Replace base valve.
• Air bleed screw
5
Wear/damage
→
Replace base valve.
EC554400
Fork spring
1. Measure:
• Fork spring free length
a
Out of specification
→
Replace.
EC554502
Inner tube
1. Inspect:
• Inner tube surface
a
Score marks
→
Repair or replace.
Use #1,000 grit wet sandpaper.
Damaged oil lock piece
→
Replace.
• Inner tube bends
Out of specification
→
Replace.
Use the dial gauge
1
.
NOTE:
The bending value is shown by one half of the
dial gauge reading.
WARNING
Do not attempt to straighten a bent inner
tube as this may dangerously weaken the
tube.
Fork spring free length:
Standard
<Limit>
465 mm (18.3 in)
460 mm (18.1 in)
Inner tube bending limit:
0.2 mm (0.008 in)
FRONT FORK
Summary of Contents for YZ450F(T)
Page 1: ...LIT 11626 18 44 YZ450FT 5XD 28199 11 OWNER S SERVICE MANUAL ...
Page 2: ......
Page 5: ......
