Yamaha YZ450FA Automobile User Manual


 
2-16
TIGHTENING TORQUES
Front wheel axle holder M8 × 1.25 4 21 2.1 15
Front brake disc and wheel hub M6 × 1.0 6 12 1.2 8.7
Rear brake disc and wheel hub M6 × 1.0 6 14 1.4 10
Footrest bracket and frame M10 × 1.25 4 55 5.5 40
Brake pedal mounting M8 × 1.25 1 26 2.6 19
Brake pedal position locknut M6 × 1.0 1 6 0.6 4.3
Rear brake master cylinder and frame M6 × 1.0 2 10 1.0 7.2
Rear brake master cylinder cap M4 × 0.7 2 2 0.2 1.4
Rear brake hose union bolt (brake caliper) M10 × 1.25 1 30 3.0 22
Rear brake hose union bolt (brake master cylin-
der)
M10 × 1.25 1 30 3.0 22
Rear wheel axle and axle nut M22 × 1.5 1 135 13.5 98
Driven sprocket and wheel hub M8 × 1.25 6 42 4.2 30
Nipple (spoke) 72 3 0.3 2.2
Disc cover and rear brake caliper M6 × 1.0 2 10 1.0 7.2
Protector and rear brake caliper M6 × 1.0 2 7 0.7 5.1
Drive chain puller adjust bolt and locknut M8 × 1.25 2 21 2.1 15
Engine mounting:
Upper engine bracket and frame M8 × 1.25 4 45 4.5 32
Front engine bracket and frame M8 × 1.25 4 34 3.4 24
Engine and engine bracket (front) M10 × 1.25 1 53 5.3 38
Engine and engine bracket (upper) M10 × 1.25 2 45 4.5 32
Engine and frame (lower) M10 × 1.25 1 53 5.3 38
Engine guard M6 × 1.0 1 10 1.0 7.2
Lower engine guard M6 × 1.0 3 10 1.0 7.2
Pivot shaft and nut M16 × 1.5 1 85 8.5 61
Relay arm and swingarm M14 × 1.5 1 70 7.0 50
Relay arm and connecting rod M14 × 1.5 1 80 8.0 58
Connecting rod and frame M14 × 1.5 1 80 8.0 58
Rear shock absorber and frame M10 × 1.25 1 56 5.6 40
Rear shock absorber and relay arm M10 × 1.25 1 53 5.3 38
Rear shock absorber locknut M60 × 1.5 1 30 3.0 22
Rear frame and frame (upper) M8 × 1.25 1 32 3.2 23
Rear frame and frame (lower) M8 × 1.25 2 32 3.2 23
Swingarm and brake hose holder M5 × 0.8 4 3 0.3 2.2
Upper drive chain tensioner M8 × 1.25 1 16 1.6 11
Lower drive chain tensioner M8 × 1.25 1 16 1.6 11
Drive chain support and swingarm M6 × 1.0 3 7 0.7 5.1
Seal guard and swingarm M5 × 0.8 3 4 0.4 2.9
Part to be tightened Thread size Q'ty
Tightening torque
Nm m•kg ft•lb