Yamaha YZ450F(B) 2012 Owner's Service Manual page 43

CHASSIS
△ - marked portion shall be checked for torque tightening after break-in or before each race.
Item
Upper bracket and outer tube
△
Lower bracket and outer tube
△
Upper bracket and steering stem
△
Handlebar upper holder
△
Handlebar lower holder
△
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 front fork protector
△
Front fork protector and brake hose hold-
△
er
Throttle grip cap
Clutch lever holder
Clutch lever mounting nut
Clutch lever position lock nut
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 (brake master
△
cylinder)
Front brake hose union bolt (brake cali-
△
per)
Front brake caliper and front fork
△
Brake caliper (front and rear) and pad pin
plug
Brake caliper (front and rear) and pad pin
△
Brake caliper (front and rear) and bleed
△
screw
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
Thread
Q'ty
size
M8 4
M8 4
M24 1 145 Nm (14.5 m•kg, 105 ft•lb)
M8 4
M10 2
M28 1
M51 2
M22 2
M42 2
M12 2
M5 2
M6 6
M6 2
M5 2
M6 2
M6 1
M5 1
M6 2
M4 2
M6 1
M6 1
M6 1
M6 1
M10 1
M10 1
M8 2
M10 2
M10 2
M8 2
M16 1
M8 4
M6 6
M6 6
M10 4
2-13
TIGHTENING TORQUES
Tightening torque
21 Nm (2.1 m•kg, 15 ft•lb)
21 Nm (2.1 m•kg, 15 ft•lb)
28 Nm (2.8 m•kg, 20 ft•lb)
34 Nm (3.4 m•kg, 24 ft•lb)
Refer to TIP.
30 Nm (3.0 m•kg, 22 ft•lb)
55 Nm (5.5 m•kg, 40 ft•lb)
29 Nm (2.9 m•kg, 21 ft•lb)
29 Nm (2.9 m•kg, 21 ft•lb)
1 Nm (0.1 m•kg, 0.7 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
8 Nm (0.8 m•kg, 5.8 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
9 Nm (0.9 m•kg, 6.5 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
30 Nm (3.0 m•kg, 22 ft•lb)
30 Nm (3.0 m•kg, 22 ft•lb)
28 Nm (2.8 m•kg, 20 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
18 Nm (1.8 m•kg, 13 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
105 Nm (10.5 m•kg, 75 ft•lb)
21 Nm (2.1 m•kg, 15 ft•lb)
12 Nm (1.2 m•kg, 8.7 ft•lb)
14 Nm (1.4 m•kg, 10 ft•lb)
55 Nm (5.5 m•kg, 40 ft•lb)
Remarks
Copper
washer
Copper
washer
Copper
washer
TORX