Yamaha YZ450FY 2009 Owner's Service Manual page 167

CHECKING THE SHIFT SHAFT
1. Inspect:
• Shift shaft "1"
Bend/damage → Replace.
• Spring "2"
Broken → Replace.
CHECKING THE SHIFT GUIDE AND SHIFT
LEVER ASSEMBLY
1. Inspect:
• Shift guide "1"
• Shift lever "2"
• Pawl "3"
• Pawl pin "4"
• Spring "5"
Wear/damage → Replace.
CHECKING THE STOPPER LEVER
1. Inspect:
• Stopper lever "1"
Wear/damage → Replace.
• Torsion spring "2"
Broken → Replace.
KICK SHAFT AND SHIFT SHAFT
INSTALLING THE SEGMENT
1. Install:
• Segment "1"
• Bolt (segment)
Bolt (segment):
30 Nm (3.0 m•kg, 22 ft•lb)
Align the notch "a" on the segment with the pin
"b" on the shift cam.
If the segment gets an impact, it may be
damaged. Take care not to give an impact to
the segment when tightening the bolt.
INSTALLING THE STOPPER LEVER
1. Install:
• Torsion spring "1"
• Washer "2"
• Stopper lever "3"
• Bolt (stopper lever) "4"
Bolt (stopper lever):
10 Nm (1.0 m•kg, 7.2 ft•lb)
Align the stopper lever roller with the slot on
segment.
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