Yamaha YZ250F(P)/LC Owner's Service Manual page 424

ENGINE REMOVAL
EC4M3000
REMOVAL POINTS
EC4F3100
Drive sprocket
1. Remove:
Nut (drive sprocket) 1
G
Lock washer 2
G
NOTE:
Straighten the lock washer tab.
G
Loosen the nut while applying the rear brake.
G
2. Remove:
Drive sprocket 1
G
Drive chain 2
G
NOTE:
Remove the drive sprocket together with the
drive chain.
EC4M3301
Engine removal
1. Remove:
Pivot shaft 1
G
NOTE:
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
G
From right side.
NOTE:
Make sure that the couplers, hoses and cables
are disconnected.
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ENG