2-5
SPEC
MAINTENANCE SPECIFICATIONS
Part to be tightened
Thread size
Q'ty
T ightening torque
Nm
m•kg
ft•lb
Spark plug
M14S
×
1.25
1
20
2.0
14
Cylinder head
(nut)
M 8
×
1.25
5
28
2.8
20
(stud)
M 8
×
1.25
5
13
1.3
9.4
Cylinder
(nut)
M 8
×
1.25
4
30
3.0
22
(stud)
M10
×
1.25
4
13
1.3
9.4
Power valve:
Cover
M 5
×
0.8
4
5
0.5
3.6
Link lever
M 4
×
0.7
1
4
0.4
2.9
Holder (power valve)
M 5
×
0.8
4
8
0.8
5.8
Push rod
M 5
×
0.8
1
5
0.5
3.6
Thrust plate
M 5
×
0.8
1
4
0.4
2.9
Governor fork
M 4
×
0.7
2
5
0.5
3.6
Housing
M 5
×
0.8
3
4
0.4
2.9
Water pump housing cover
M 6
×
1.0
4
10
1.0
7.2
Coolant drain bolt
M 6
×
1.0
1
10
1.0
7.2
Radiator
M 6
×
1.0
6
10
1.0
7.2
Radiator panel
M 6
×
1.0
2
10
1.0
7.2
Radiator hose clamp
M 6
×
1.0
8
2
0.2
1.4
Air filter element
M 6
×
1.0
1
2
0.2
1.4
Carburetor joint
M 6
×
1.0
4
10
1.0
7.2
Carburetor joint clamp
M 4
×
0.7
1
2
0.2
1.4
Air filter joint clamp
M 4
×
0.7
1
2
0.2
1.4
Air filter case
M 6
×
1.0
4
8
0.8
5.8
Air filter guide clamp
M 5
×
0.8
1
4
0.4
2.9
Read valve
M 3
×
0.5
6
1
0.1
0.7
Throttle cable adjust bolt and locknut
M 8
×
1.25
1
7
0.7
5.1
Throttle cable
M 6
×
0.75
1
4
0.4
2.9
Crankcase
M 6
×
1.0
12
14
1.4
10
Crankcase cover (right)
M 6
×
1.0
8
10
1.0
7.2
Crankcase cover (left)
M 6
×
1.0
4
5
0.5
3.6
Chain cover
M 6
×
1.0
2
5
0.5
3.6
Bearing plate cover
M 6
×
1.0
4
10
1.0
7.2
Holder
M 6
×
1.0
1
10
1.0
7.2
Oil check bolt
M 6
×
1.0
1
10
1.0
7.2
Oil drain bolt
M10
×
1.25
1
20
2.0
14
Kick starter
M 6
×
1.0
1
10
1.0
7.2
Cluch cover
M 6
×
1.0
6
10
1.0
7.2
Primary drive gear
M 8
×
1.25
1
48
4.8
35
Clutch boss
M16
×
1.0
1
80
8.0
58
Clutch spring
M 6
×
1.0
5
10
1.0
7.2
Clutch cable adjust bolt and locknut
M 6
×
0.75
1
4
0.4
2.9
Drive sprocket
M18
×
1.0
1
75
7.5
54
Shift pedal
M 6
×
1.0
1
12
1.2
8.7
Bearing plate cover (shift cam)
M 6
×
1.0
2
10
1.0
7.2
Shift guide
M 6
×
1.0
2
10
1.0
7.2
Stopper lever
M 6
×
1.0
1
10
1.0
7.2
Segment
M 8
×
1.25
1
30
3.0
22
▲
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1C3-9-32-2A 4/29/06 10:17 AM Page 6