Chassis Tightening Torques - Yamaha YFZ450S 2003 Service Manual

EBS01006

CHASSIS TIGHTENING TORQUES

Part to be tightened
Engine stay and frame
Engine stay and engine upper bracket
Engine upper bracket and engine
Engine lower bracket and engine
Engine and frame
Engine lower bracket and frame
Swingarm pivot shaft, engine, and frame
Rear shock absorber and frame
Rear shock absorber locknut
Relay arm and swingarm
Connecting arm and frame
Relay arm and rear shock absorber
Relay arm and connecting arm
Hub, brake caliper bracket, and swingarm
Drive chain adjusting bolt and locknut
Front shock absorber and frame
Front shock absorber and lower front arm
Front shock absorber locknut
Upper front arm and frame
Lower front arm and frame
Steering stem, pitman arm, and frame
Steering stem bushing and frame
Steering stem and handlebar holder
Tie-rod end and locknut
Steering knuckle and front wheel hub
Steering knuckle and front arm (upper and lower)
Steering knuckle and tie-rod ball joint
Pitman arm and tie-rod ball joint
Frame and bearing retainer
Fuel tank and fuel cock
Fuel tank and frame
Front wheel and front wheel hub
Steering knuckle and front brake caliper bracket
Front brake disc and front wheel hub
Rear axle and rear wheel hub
Rear brake caliper and brake caliper bracket
Rear wheel and rear wheel hub
Driven sprocket and sprocket bracket
Front brake pipe nut
Front brake master cylinder and handlebar
Parking brake lever and clutch lever
TIGHTENING TORQUES
Thread size
M8
M8
M10
M10
M10
M8
M16
M12
M50
M12
M12
M12
M12
M12
M8
M10
M10
M50
M10
M10
M14
M8
M8
M10
M14
M10
M10
M10
M42
M6
M6
M10
M8
M8
M14
M8
M10
M10
M10
M6
M6
2 - 19
SPEC
Tightening torque
Nm m · kg ft · lb
33 3.3 24
26 2.6 19
40 4.0 29
66 6.6 48
66 6.6 48
38 3.8 27
100 10 72
80 8.0 58
45 4.5 32
55 5.5 40
55 5.5 40
43 4.3 31
55 5.5 40
85 8.5 61
16 1.6 11
45 4.5 32
45 4.5 32
30 3.0 22
38 3.8 27
55 5.5 40
180 18 130
23 2.3 17 Use a lock
washer.
23 2.3 17
15 1.5 11
70 7.0 50
25 2.5 18
25 2.5 18
25 2.5 18
65 6.5 47
4 0.4 2.9
7 0.7 5.1
45 4.5 32
28 2.8 20
28 2.8 20
120 12 85
31 3.1 22
45 4.5 32
55 5.5 40
19 1.9 13
7 0.7 5.1
7 0.7 5.1
Remarks
LT