Yamaha YZ450F Owner's Service Manual page 60

ITEM
Drive chain tensioner bolt (lower
side)
Drive chain support bolt
Drive chain support nut
Drive chain guide bolt
Rear frame and left cover bolt
Fuel tank bolt (front side)
Fuel tank bolt (rear side)
Fuel tank bracket bolt (front side)
Fuel tank bracket bolt (rear side)
Fuel pump bolt
Fuel inlet pipe screw
Fuel tank cap cover bolt
Seat set bracket and fuel tank screw
Seat bolt
Left side cover bolt
Right side cover bolt
Frame and air scoop bolt
Fuel tank and air scoop bolt
Radiator guard and air scoop bolt
Front fender bolt
Rear fender bolt (front side)
Rear fender bolt (rear side)
Mud flap screw
Number plate bolt
TIP
1. First, tighten the lower ring nut approximately 38 Nm (3.8 m·kgf, 27 ft·lbf) by using the steering nut
wrench, then loosen the lower ring nut one turn.
2. Retighten the lower ring nut 7 Nm (0.7 m·kgf, 5.1 ft·lbf).
Thread
Q'ty TIGHTENING TORQUES
size
M8 1 16 Nm (1.6 m·kgf, 12 ft·lbf)
M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M5 3 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 1 9 Nm (0.9 m·kgf, 6.5 ft·lbf)
M6 4 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M5 6 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
M5 2 3.4 Nm (0.34 m·kgf, 2.5 ft·lbf)
M6 2 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M8 2 22 Nm (2.2 m·kgf, 16 ft·lbf)
M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 4 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 4 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
M6 4 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
M6 2 16 Nm (1.6 m·kgf, 12 ft·lbf)
— 2 1.3 Nm (0.13 m·kgf, 0.94 ft·lbf)
M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
2-19
TIGHTENING TORQUES
Remarks