Yamaha YZ450F 2006, Owner'S Service Manual, Page: 386 / 650

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ENG
KICK AXLE AND SHIFT SHAFT
EC4C4300
Kick gear, kick idle gear and ratchet wheel
1. Inspect:
• Kick gear
1
• Kick idle gear
2
• Ratchet wheel
3
• Gear teeth
a
• Ratchet teeth
b
Wear/damage
→
Replace.
EC4B4400
Shift shaft
1. Inspect:
• Shift shaft
1
Bend/damage
→
Replace.
• Spring
2
Broken
→
Replace.
EC4C4100
Shift guide and shift lever assembly
1. Inspect:
• Shift guide
1
• Shift lever
2
• Pawl
3
• Pawl pin
4
• Spring
5
Wear/damage
→
Replace.
EC4B4500
Stopper lever
1. Inspect:
• Stopper lever
1
Wear/damage
→
Replace.
• Torsion spring
2
Broken
→
Replace.