Yamaha YZ450FP 2023, Owner'S Service Manual

Page: 203 / 388

ENGINE REMOVAL
5-7
EAM30161
REMOVING THE ENGINE
1. Remove:
•
Exhaust pipe 2
TIP
Put the exhaust pipe 2 into the state as shown by
moving this, and then remove it.
2. 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.
3. 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 low-
er part toward the right of the chassis.
EAM30164
INSTALLING THE ENGINE
1. Install:
• Engine “1”
(from the right side)
• Pivot shaft “2”
•
Engine mounting bolt (lower side) “3”
• Lower engine bracket “4”
•
Engine bracket bolt (front side) “5”
• Engine mounting bolt (front side) “6”
•
Upper engine bracket “7”
• Engine bracket bolt (upper side) “8”
•
Engine mounting bolt (upper side) “9”
1 1 1
Pivot shaft nut
75 N·m (7.5 kgf·m, 55 lb·ft)
Engine mounting bolt (lower side)
53 N·m (5.3 kgf·m, 39 lb·ft)
Engine bracket bolt (front side)
34 N·m (3.4 kgf·m, 25 lb·ft)
Engine mounting bolt (front side)
55 N·m (5.5 kgf·m, 41 lb·ft)
Engine bracket bolt (upper side)
34 N·m (3.4 kgf·m, 25 lb·ft)
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