Yamaha YZ450F Manuel D'atelier Du Proprietaire page 86

Part to be tightened
Handle crown and outer tube
Under bracket and outer tube
Handle crown and steering shaft
Handlebar holder (upper)
Steering ring nut
Front fork and damper assembly
Front fork and adjuster
Damper assembly and base valve
Adjuster and damper assembly
Bleed screw (front fork) and base valve
Front fork and protector
Protector and brake hose holder
Throttle cable cap
Clutch lever holder mounting
Clutch lever mounting (nut)
Hot starter lever holder mounting
Front brake master cylinder and bracket
Front brake master cylinder cap
Brake lever mounting (bolt)
Brake lever mounting (nut)
Brake lever position locknut
Cable guide (front brake hose) and under
bracket
Front brake hose union bolt (master cylinder)
Front brake hose union bolt (caliper)
Front brake caliper and front fork
Front brake caliper and brake hose holder
Brake caliper (front and rear) and pad pin plug M10 × 1.0
Brake caliper (front and rear) and pad pin
Brake caliper (front and rear) and bleed screw
Front wheel axle and nut
Front wheel axle holder
Front brake disc and wheel hub
Rear brake disc and wheel hub
Brake pedal mounting
Rear brake master cylinder and frame
Rear brake master cylinder cap
Rear brake hose union bolt (caliper)
Rear brake hose union bolt (master cylinder)
NOTE:
1. First, tighten the ring nut approximately 38 Nm (3.8 m • kg, 27 ft • lb) by using the ring nut wrench,
then loosen the ring nut one turn.
2. Retighten the ring nut 7 Nm (0.7 m • kg, 5.1 ft • lb).
MAINTENANCE SPECIFICATIONS
Thread size
M8 × 1.25
M8 × 1.25
M24 × 1.0
M8 × 1.25
M28 × 1.0
M51 × 1.5
M22 × 1.25
M42 × 1.5
M12 × 1.25
M5 × 0.8
M6 × 1.0
M6 × 1.0
M5 × 0.8
M5 × 0.8
M6 × 1.0
M5 × 0.8
M6 × 1.0
M4 × 0.7
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M10 × 1.25
M10 × 1.25
M8 × 1.25
M6 × 1.0
M10 × 1.0
M8 × 1.25
M16 × 1.5
M8 × 1.25
M6 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
M4 × 0.7
M10 × 1.25
M10 × 1.25
2 - 15
SPEC
Tightening torque
Q'ty
Nm m·kg
4 23 2.3
4 20 2.0
1 145 14.5
4 28 2.8
1 Refer to NOTE.
2 30 3.0
2 55 5.5
2 29 2.9
2 29 2.9
2 1 0.1
6 10 1.0
2 7 0.7
2 4 0.4
2 4 0.4
1 4 0.4
2 4 0.4
2 9 0.9
2 2 0.2
1 6 0.6
1 6 0.6
1 5 0.5
1 4 0.4
1 30 3.0
1 30 3.0
2 23 2.3
1 10 1.0
2 3 0.3
2 18 1.8
2 6 0.6
1 105 10.5
4 23 2.3
6 12 1.2
6 14 1.4
1 26 2.6
2 11 1.1
2 2 0.2
1 30 3.0
1 30 3.0
ft·lb
17
14
105
20
22
40
21
21
0.7
7.2
5.1
2.9
2.9
2.9
2.9
6.5
1.4
4.3
4.3
3.6
2.9
22
22
17
7.2
2.2
13
4.3
75
17
8.7
10
19
8.0
1.4
22
22