Removing The Engine; Checking The Silencer And Exhaust Pipe; Changing The Silencer Fiber - Yamaha YZ450F Owner's Service Manual

REMOVING THE ENGINE

EAS1SL5201
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
shaft of similar diameter into the other side of
the swingarm to support it.
2. Remove:
• Engine "1"
From the right side.
TIP
• Make sure that the couplers, the hoses, and
the cables are disconnected.
• Lift up the engine, and remove this from its
lower part toward the right of the chassis.
CHECKING THE SILENCER AND EXHAUST
EAS1SL5202
PIPE
1. Check:
• Gasket "1"
Damage  Replace.
1

CHANGING THE SILENCER FIBER

EAS1SL5203
1. Remove:
• Bolt "1"
• Silencer body "2"
ECA33DD026
NOTICE
Do not hit the silencer stay "a" as it may do
damage to the silencer.
TIP
Remove the inner pipe while holding the silenc-
er in place with a vise etc.
2. Remove:
• Rivet "1"
• Silencer cap "2"
2
1
5-7
ENGINE REMOVAL
a
1
2
1
1