Yamaha YZ125X 2023 Owner's Manual page 38

EAM30203
ENGINE TIGHTENING TORQUES
TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
Item
Spark plug
Cylinder head nut
Cylinder head stud bolt
Cylinder nut
Cylinder stud bolt
Power valve cover screw
Power valve link lever bolt
Power valve
Push rod bolt
Thrust plate screw
Governor fork screw
Power valve housing bolt
Water pump housing cover bolt
Coolant drain bolt
Radiator bolt
Radiator guard bolt
Radiator hose clamp
Air filter element
Carburetor joint bolt
Carburetor joint clamp
Air filter case joint clamp
Air filter case bolt
Air filter guide clamp
Locknut (throttle cable handlebar
side)
Locknut (throttle cable carburetor
side)
Crankcase bolt
Crankcase cover bolt (right)
Crankcase cover bolt (left)
Drive sprocket cover bolt
Bearing plate cover screw
Holder bolt
Oil check bolt
Thread
Q'ty
size
M14S 1
M8 5
M8 5
M8 4
M8 4
M5 4
M4 1 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
M5 4
M5 1 4.5 N·m (0.45 kgf·m, 3.3 lb·ft)
M5 1 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
M4 2
M5 3 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
M6 4
M6 1
M6 6
M6 2
M6 8 1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
M6 1 2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
M6 4
M4 1 2.3 N·m (0.23 kgf·m, 1.7 lb·ft)
M4 1 2.3 N·m (0.23 kgf·m, 1.7 lb·ft)
M6 2
M5 1 3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
M8 1
M6 1 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
M6 12
M6 8
M6 4
M6 2
M6 3
M6 1
M6 1
2-7
TIGHTENING TORQUES
Tightening torques
20 N·m (2.0 kgf·m, 15 lb·ft)
28 N·m (2.8 kgf·m, 21 lb·ft)
13 N·m (1.3 kgf·m, 9.6 lb·ft)
30 N·m (3.0 kgf·m, 22 lb·ft)
13 N·m (1.3 kgf·m, 9.6 lb·ft)
5 N·m (0.5 kgf·m, 3.7 lb·ft)
8 N·m (0.8 kgf·m, 5.9 lb·ft)
5 N·m (0.5 kgf·m, 3.7 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
8 N·m (0.8 kgf·m, 5.9 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
14 N·m (1.4 kgf·m, 10 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
5 N·m (0.5 kgf·m, 3.7 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Remarks


LT
LT