Yamaha YZ450FX 2019 Owner's Service Manual page 202

Removing the engine
34 N ・ m (3.4 kgf ・ m, 25 lb ・ ft)
12
53 N ・ m (5.3 kgf ・ m, 39 lb ・ ft)
55 N ・ m (5.5 kgf ・ m, 41 lb ・ ft)
10
34 N ・ m (3.4 kgf ・ m, 25 lb ・ ft)
1
7 N ・ m (0.7 kgf ・ m, 5.2 lb ・ ft)
Order Job/Parts to remove
Seat
Side cover (left/right)
Air scoop (left/right)
Fuel tank
Exhaust pipe and silencer
Air filter case
Throttle body
Clutch cable
Shift pedal/Drive chain
1 Engine guard
2 Brake pedal
3 Spring
4 Cylinder head breather hose
5 Drive sprocket cover
6 Drive chain guide
7 Drive sprocket
11
4
34 N ・ m (3.4 kgf ・ m, 25 lb ・ ft)
5-3
ENGINE REMOVAL
8
9
7
13
11
10
Q'ty
Use a maintenance stand to raise the front
wheel off the ground.
Refer to "GENERAL CHASSIS" on page
4-1.
Refer to "GENERAL CHASSIS" on page
4-1.
Refer to "GENERAL CHASSIS" on page
4-1.
Refer to "FUEL TANK" on page 7-1.
Refer to "ENGINE REMOVAL" on page 5-1.
Refer to "THROTTLE BODY" on page 7-5.
Refer to "THROTTLE BODY" on page 7-5.
Refer to "CLUTCH" on page 5-40.
Refer to "SHIFT SHAFT" on page 5-48.
Refer to "CHAIN DRIVE" on page 4-64.
1
1
1
1
1
1
1
85 N ・ m (8.5 kgf ・ m, 63 lb ・ ft)
26 N ・ m (2.6 kgf ・ m, 19 lb ・ ft)
3
2
45 N ・ m (4.5 kgf ・ m, 33 lb ・ ft)
75 N ・ m (7.5 kgf ・ m, 55 lb ・ ft)
6
5
7 N ・ m (0.7 kgf ・ m, 5.2 lb ・ ft)
Remarks