Yamaha YZ450F(X) Owner's Service Manual page 35

Part to be tightened
△
Front wheel axle and axle nut
△
Front wheel axle holder
△
Front brake disc and wheel hub
△
Rear brake disc and wheel hub
△
Footrest bracket and frame
△
Brake pedal mounting
△
Rear brake master cylinder and frame
Rear brake master cylinder cap
△
Rear brake hose union bolt (brake caliper)
△
Rear brake hose union bolt (brake master cylinder)
△
Rear wheel axle and axle nut
△
Driven sprocket and wheel hub
△
Nipple (spoke)
△
Disc cover and rear brake caliper
△
Protector and rear brake caliper
Drive chain puller adjust bolt and locknut
Engine mounting:
△
Upper engine bracket and frame
△
Lower engine bracket and frame
△
Engine and engine bracket (front)
△
Engine and engine bracket (upper)
△
Engine and frame (lower)
△
Engine guard
Lower engine guard
CDI unit bracket
Cable guide and CDI unit bracket
Cable guide and frame
△
Pivot shaft and nut
△
Relay arm and swingarm
△
Relay arm and connecting rod
△
Connecting rod and frame
△
Rear shock absorber and frame
△
Rear shock absorber and relay arm
△
Rear frame and frame (upper)
△
Rear frame and frame (lower)
△
Swingarm and brake hose holder
Swingarm and patch
Upper drive chain tensioner
Lower drive chain tensioner
Drive chain support and swingarm
△
Seal guard and swingarm
△
Fuel tank mounting boss and frame
△
Fuel tank mounting
△
Fuel tank and fuel cock
TIGHTENING TORQUES
Thread size Q'ty
M16 × 1.5
M8 × 1.25
M6 × 1.0
M6 × 1.0
M10 × 1.25
M8 × 1.25
M6 × 1.0
M4 × 0.7
M10 × 1.25
M10 × 1.25
M20 × 1.5
M8 × 1.25
—
M6 × 1.0
M6 × 1.0
M8 × 1.25
M10 × 1.25
M8 × 1.25
M10 × 1.25
M10 × 1.25
M10 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
M5 × 0.8
M5 × 0.8
M16 × 1.5
M14 × 1.5
M14 × 1.5
M14 × 1.5
M10 × 1.25
M10 × 1.25
M8 × 1.25
M8 × 1.25
M5 × 0.8
M4 × 0.7
M8 × 1.25
M8 × 1.25
M6 × 1.0
M5 × 0.8
M10 × 1.25
M6 × 1.0
M6 × 1.0
2-13
Tightening torque
Nm m•kg
1 105 10.5
4 21 2.1
6 12 1.2
6 14 1.4
4 55 5.5
1 26 2.6
2 10 1.0
2 2 0.2
1 30 3.0
1 30 3.0
1 125 12.5
6 42 4.2
72 3 0.3
2 10 1.0
2 7 0.7
2 19 1.9
4 55 5.5
4 34 3.4
1 53 5.3
1 55 5.5
1 53 5.3
1 10 1.0
3 10 1.0
2 7 0.7
2 4 0.4
1 5 0.5
1 85 8.5
1 70 7.0
1 80 8.0
1 80 8.0
1 56 5.6
1 53 5.3
1 38 3.8
2 32 3.2
4 2 0.2
4 2 0.2
1 16 1.6
1 16 1.6
3 7 0.7
4 6 0.6
1 20 2.0
2 9 0.9
2 4 0.4
ft•lb
75
15
8.7
10
40
19
7.2
1.4
22
22
90
30
2.2
7.2
5.1
13
40
24
38
40
38
7.2
7.2
5.1
2.9
3.6
61
50
58
58
40
38
27
23
1.4
1.4
11
11
5.1
4.3
14
6.5
2.9