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SPEC
TIGHTENING TORQUE
SPECIFIED TORCUE
Part to be tightened
e
h e e
ENGINE:
Electric box
Mounting bolt
Reed valve
Exhaust ring
Exhaust chamber
Muffler stay
Exhaust chamber-
E h
h
e -
Muffler stay
M
Muffler 1
le 1
Cylinder body
l
e
Cylinder head
l
e he
Spark plug
Flywheel bolt
Coupling
Crankcase
e
M
Mount bracket
e
Flame arrester cover
Starter motor terminal nut
JET UNIT:
Mounting bolt
M
l
Ride plate
Impeller
Coupling
Intermediate housing
Housing
TIGHTENING TORQUE
Part
Size
S e
name
Bolt
M8
Bolt
M8
Screw
M4
Bolt
M8
Bolt
M10
Bolt
M10
1st
Bolt
l
M10
M10
2nd
1st
Bolt
l
M10
M10
2nd
1st
Bolt
l
M10
M10
2nd
1st
Bolt
l
M8
M8
2nd
Bolt
M14
Bolt
M10
Nut
M27
1st
Bolt
l
M8
M8
2nd
1st
Bolt
l
M10
M10
2nd
Bolt
M6
Nut
M6
Bolt
M10
Bolt
M6
Bolt
M8
Bolt
M20
Nut
M27
Bolt
M8
Bolt
M10
Tightening torque
Q'ty
Q'
Nm
m kg
2
17
1.7
4
17
1.7
16
1
0.1
4
30
3.0
2
40
4.0
4
40
4.0
2
0.2
2
2
47
4.7
22
2.2
8
8
40
4.0
23
2.3
6
6
40
4.0
15
1.5
10
10
36
3.6
2
25
2.5
1
70
7.0
1
37
3.7
15
1.5
8
8
28
2.8
23
2.3
7
7
53
5.3
6
2
0.2
1
5
0.5
4
34
3.4
2
7
0.7
6
17
1.7
1
18
1.8
1
37
3.7
3
17
1.7
4
34
3.4
6
Re
Remark
ft lb
12
12
0.7
22
29
29
1.4
34
16
29
17
29
11
25
18
50
27
11
20
17
38
1.4
3.6
24
5.1
12
13
27
12
25
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