Installing The Engine; Installing The Brake Pedal; Installing The Drive Sprocket - Yamaha YZ450FX 2019 Owner's Service Manual

EAM30164

INSTALLING THE ENGINE

1. Install:
• Engine "1"
Install the engine from the right side.
• Pivot shaft "2"
Pivot shaft
85 N·m (8.5 kgf·m, 63 lb·ft)
• Engine mounting bolt (lower side) "3"
Engine mounting bolt (lower side)
53 N·m (5.3 kgf·m, 39 lb·ft)
• Lower engine bracket (inside) "4"
• Lower engine bracket (outside) "5"
• Engine bracket bolt (front side) "6"
Engine bracket bolt (front side)
34 N·m (3.4 kgf·m, 25 lb·ft)
• Engine mounting bolt (front side) "7"
Engine mounting bolt (front side)
55 N·m (5.5 kgf·m, 41 lb·ft)
• Upper engine bracket "8"
• Engine bracket bolt (upper side) "9"
Engine bracket bolt (upper side)
34 N·m (3.4 kgf·m, 25 lb·ft)
• Engine mounting bolt (upper side) "10"
Engine mounting bolt (upper
side)
45 N·m (4.5 kgf·m, 33 lb·ft)
TIP
Apply molybdenum disulfide grease to the pivot
shaft.
ENGINE REMOVAL
M
2
6
5 4
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INSTALLING THE BRAKE PEDAL

1. Install:
• Spring "1"
• Brake pedal "2"
• O-ring "3"
New
• Bolt (brake pedal) "4"
Bolt (brake pedal)
26 N·m (2.6 kgf·m, 19 lb·ft)
• Clip "5"
TIP
Apply the lithium-soap-based grease on the bolt,
O-rings and brake pedal bracket.
2
3
4
LS
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INSTALLING THE DRIVE SPROCKET

1. Install:
• Drive sprocket "1"
• Drive chain "2"
TIP
Install the drive sprocket together with the drive
5-8
9
8
3
8
10
7
1
4
6
5
1
5