Removing The Shift Guide And Shift Lever Assembly; Removing The Segment; Checking The Shift Shaft; Checking The Shift Guide And Shift Lever Assembly - Yamaha YZ450FX 2019 Owner's Service Manual

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REMOVING THE SHIFT GUIDE AND SHIFT
LEVER ASSEMBLY
1. Remove:
• Bolt (shift guide)
• Shift guide "1"
• Shift lever assembly "2"
TIP
Make sure that the shift lever assembly is re-
moved together with the shift guide.
1 1 1
2 2
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REMOVING THE SEGMENT

1. Remove:
• Bolt (segment) "1"
• Segment "2"
TIP
Turn the segment counterclockwise until it stops
and loosen the bolt.
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NOTICE
If the segment gets an impact, the stopper le-
ver may be damaged. Take care not to give
an impact to it when removing the bolt.
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CHECKING THE SHIFT SHAFT

1. Check:
• Shift shaft "1"
Bends/damage/wear  Replace.
• Shift shaft spring "2"
Damage/wear  Replace.
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CHECKING THE SHIFT GUIDE AND SHIFT
LEVER ASSEMBLY
1. Check:
• Shift guide "1"
• Shift lever "2"
• Pawl "3"
• Pawl pin "4"
• Spring "5"
Wear/damage  Replace.
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CHECKING THE STOPPER LEVER

1. Check:
• Stopper lever "1"
Wear/damage  Replace.
• Torsion spring "2"
Broken  Replace.
2 2
1 1 1
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INSTALLING THE STOPPER LEVER

1. Install:
• Torsion spring "1"
• Collar "2"
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SHIFT SHAFT
1
2
1
2
1
3
4
5
2