Yamaha YZ125(W)/W1 Owner's Service Manual page 72

Part to be tightened
Spark plug
Cylinder head (nut)
(stud)
Cylinder (nut)
(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 panel
Radiator hose clamp
Air filter element
Carburetor joint
Carburetor joint clamp
Air filter joint clamp
Air filter case
L L
Air filter guide clamp
Read valve
Throttle cable adjust bolt and locknut
Throttle cable
Crankcase
Crankcase cover (right)
Crankcase cover (left)
Chain cover
Bearing plate cover
Holder
Oil check bolt
Oil drain bolt
Kick starter
Cluch cover
Primary drive gear
Clutch boss
Clutch spring
Clutch cable adjust bolt and locknut
Drive sprocket
Shift pedal
Bearing plate cover (shift cam)
Shift guide
Stopper lever
Segment
MAINTENANCE SPECIFICATIONS
Thread size
M14S × 1.25
M 8 × 1.25
M 8 × 1.25
M 8 × 1.25
M10 × 1.25
M 5 × 0.8
M 4 × 0.7
M 5 × 0.8
M 5 × 0.8
M 5 × 0.8
M 4 × 0.7
M 5 × 0.8
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 4 × 0.7
M 4 × 0.7
M 6 × 1.0
M 5 × 0.8
M 3 × 0.5
M 8 × 1.25
M 6 × 0.75
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M10 × 1.25
M 6 × 1.0
M 6 × 1.0
M 8 × 1.25
M16 × 1.0
M 6 × 1.0
M 6 × 0.75
M18 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 8 × 1.25
2-5
SPEC
Tightening torque
Q'ty
Nm m•kg
1 20 2.0
5 28 2.8
5 13 1.3
4 30 3.0
4 13 1.3
4 5 0.5
1 4 0.4
4 8 0.8
1 5 0.5
1 4 0.4
2 5 0.5
3 4 0.4
4 10 1.0
1 10 1.0
6 10 1.0
2 10 1.0
8 2 0.2
1 2 0.2
4 10 1.0
1 2 0.2
1 2 0.2
4 8 0.8
1 4 0.4
6 1 0.1
1 7 0.7
1 4 0.4
12 14 1.4
8 10 1.0
4 5 0.5
2 5 0.5
4 10 1.0
1 10 1.0
1 10 1.0
1 20 2.0
1 10 1.0
6 10 1.0
1 48 4.8
1 80 8.0
5 10 1.0
1 4 0.4
1 75 7.5
1 12 1.2
2 10 1.0
2 10 1.0
1 10 1.0
1 30 3.0
ft•lb
14
20
9.4
22
9.4
3.6
2.9
5.8
3.6
2.9
3.6
2.9
7.2
7.2
7.2
7.2
1.4
1.4
7.2
1.4
1.4
5.8
2.9
0.7
5.1
2.9
10
7.2
3.6
3.6
7.2
7.2
7.2
14
7.2
7.2
35
58
7.2
2.9
54
8.7
7.2
7.2
7.2
22