Engine Removal; Removing The Silencer; Removing The Exhaust Pipe 2; Removing The Drive Sprocket - Yamaha YZ450FX 2019 Owner's Service Manual

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REMOVING THE SILENCER

1. Remove:
• Rear shock absorber assembly lower bolt "1"
• Connecting arm bolt (frame side) "2"
• Silencer "3"
TIP
Move the rear shock absorber to the left side of
the chassis, and remove the silencer.
2
1
3
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REMOVING THE EXHAUST PIPE 2

1. Remove:
• Exhaust pipe 2
TIP
Put the exhaust pipe 2 into the state as shown by
moving this, and then remove it.

ENGINE REMOVAL

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REMOVING THE DRIVE SPROCKET

1. Straighten the lock washer tab.
2. Remove:
• Nut (drive sprocket) "1"
• Lock washer "2"
TIP
Loosen the nut while applying the rear brake.
2 2 2
3. Remove:
• Drive sprocket "1"
• Drive chain "2"
TIP
Remove the drive sprocket together with the
drive chain.
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REMOVING THE ENGINE

1. Remove:
• Pivot shaft "1"
TIP
If the pivot shaft is pulled all the way out, the
swingarm will come loose. If possible, insert a
5-5
1 1