Yamaha WR450F, Owner'S Service Manual

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ENG
KICK AXLE AND SHIFT SHAFT
REMOVAL POINTS
EC4B3101
Kick axle assembly
1. Remove:
• Kick axle assembly
1
NOTE:
Unhook the torsion spring
2
from the hole
a
in the crankcase.
EC4C3101
Shift guide and shift lever assembly
1. Remove:
• Bolt (shift guide)
• Shift guide
1
• Shift lever assembly
2
NOTE:
The shift lever assembly is disassembled at
the same time as the shift guide.
EC4N3100
Segment
1. Remove:
• Bolt (segment)
1
• Segment
2
NOTE:
Turn the segment counterclockwise until it
stops and loosen the bolt.
CAUTION:
If the segment gets an impact, it may be
damaged. Take care not to give an impact
to the segment when removing the bolt.
INSPECTION
EC4C4200
Kick axle and ratchet wheel
1. Check:
• Ratchet wheel
1
smooth movement
Unsmooth movement
→
Replace.
• Kick axle
2
Wear/damage
→
Replace.
• Spring
3
Broken
→
Replace.