Yamaha YZ450FX 2023 Owner's Manual page 46

Item
Drive chain tensioner bolt (lower
side)
Bolt (drive chain support)
Drive chain support nut
Drive chain guide bolt
Fuel tank bolt (front side)
Fuel tank bolt (boss)
Fuel tank bolt (rear side)
Fuel tank bracket bolt
Fuel pump bolt
Screw (fuel inlet pipe)
Bolt (fuel tank cap cover)
Seat set bracket screw
Seat bolt
Side cover bolt (left)
Side cover bolt (right)
Air scoop bolt (frame)
Air scoop bolt (fuel tank)
Air scoop bolt (radiator guard)
Front fender bolt
Rear fender bolt (front side)
Rear fender bolt (rear side)
Screw (mud flap)
Number plate bolt
Frame ground bolt (negative battery
lead)
TIP
Lower ring nut
1. First, tighten the lower ring nut approximately 38 N·m (3.8 kgf·m, 28 lb·ft) by using the steering nut
wrench, then loosen the lower ring nut one turn.
2. Retighten the lower ring nut 7 N·m (0.7 kgf·m, 5.2 lb·ft).
Thread
Q'ty
size
M8 1
M6 1
M6 2
M5 3 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
M6 2
M6 2
M6 1
M6 2
M5 5
M5 2 3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
M6 2 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
M6 1
M8 2
M6 2
M6 2
M6 2
M6 2
M6 4
M6 4
M6 4
M6 2
— 2 1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
M6 1
M5 1
2-13
TIGHTENING TORQUES
Tightening torques
16 N·m (1.6 kgf·m, 12 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
9 N·m (0.9 kgf·m, 6.6 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
22 N·m (2.2 kgf·m, 16 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
16 N·m (1.6 kgf·m, 12 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
Remarks
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