Yamaha YZ125 2016 Owner's Service Manual page 32

TIGHTENING TORQUES
ENGINE
△ - marked portion shall be checked for torque tightening after break-in or before each race.
Item
Spark plug
Cylinder head (nut)
Cylinder head (stud)
Cylinder (nut)
Cylinder (stud)
Power valve:
Cover
Link lever
Holder (power valve)
Push rod
Thrust plate
Governor fork
Housing
Water pump housing cover
Coolant drain bolt
Radiator
Radiator guard
Radiator hose clamp
Air filter element
Carburetor joint
Carburetor joint clamp
Air filter joint clamp
Air filter case
△
Air filter guide clamp
Reed valve
Throttle cable adjust bolt and locknut
Throttle cable
Crankcase
Right crankcase cover
Left crankcase cover
Drive chain sprocket cover
Bearing plate cover
Holder
Oil check bolt
Oil drain bolt
Kickstarter lever
Clutch cover
Thread
Q'ty
size
M14S 1
M8 5
M8 5
M8 4
M10 4
M5 4
M4 1
M5 4
M5 1
M5 1
M4 2
M5 3
M6 4
M6 1
M6 6
M6 2
M6 8
M6 1
M6 4
M4 1
M4 1
M6 2
M5 1
M3 6
M8 1
M6 1
M6 12
M6 8
M6 4
M6 2
M6 4
M6 1
M6 1
M10 1
M6 1
M6 6
2-8
TIGHTENING TORQUES
Tightening torque
20 Nm (2.0 m•kg, 14 ft•lb)
28 Nm (2.8 m•kg, 20 ft•lb)
13 Nm (1.3 m•kg, 9.4 ft•lb)
30 Nm (3.0 m•kg, 22 ft•lb)
13 Nm (1.3 m•kg, 9.4 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
8 Nm (0.8 m•kg, 5.8 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
8 Nm (0.8 m•kg, 5.8 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
1 Nm (0.1 m•kg, 0.7 ft•lb)
7 Nm (0.7 m•kg, 5.1 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
14 Nm (1.4 m•kg, 10 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
20 Nm (2.0 m•kg, 14 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
Remarks
Copper
washer
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
Copper
washer
Copper
washer
Copper
washer