6
TIGHTENING TORQUE
SPEC
271
271
242
271
271
271
271
271
572
572
572
572
572
271
242
242
572
572
572
572
TIGHTENING TORQUE
SPECIFIED TORCUE
Part t
t
t
Part
S z
Q’ty
Tightening torque
R mark
Part to be tightened
Part
name
Size
Q’ty
Nm
m
kg
ft
lb
Remark
ENGINE:
Electric box
Bolt
M8
2
17
1.7
12
Mounting bolt
Bolt
M8
4
17
1.7
12
Reed valve
Screw
M4
16
1
0.1
0.7
Exhaust ring
Bolt
M8
4
30
3.0
22
Exhaust chamber
Bolt
M10
2
40
4.0
29
Muffler stay
Bolt
M10
4
40
4.0
29
Exhaust chamber-
1st
B lt
M10
2
2
0.2
1.4
E
a
t
am
r-
Muffler stay
2nd
Bolt
M10
2
47
4.7
34
M ffl r 1
1st
B lt
M10
8
22
2.2
16
Muffler 1
2nd
Bolt
M10
8
40
4.0
29
yl
r
y
1st
B lt
M10
6
23
2.3
17
Cylinder body
2nd
Bolt
M10
6
40
4.0
29
yl
r
a
1st
B lt
M8
10
15
1.5
11
Cylinder head
2nd
Bolt
M8
10
36
3.6
25
Spark plug
Bolt
M14
2
25
2.5
18
Flywheel bolt
Bolt
M10
1
70
7.0
50
Coupling
Nut
M27
1
37
3.7
27
ra k a
1st
B lt
M8
8
15
1.5
11
Crankcase
2nd
Bolt
M8
8
28
2.8
20
M
t ra k t
1st
B lt
M10
7
23
2.3
17
Mount bracket
2nd
Bolt
M10
7
53
5.3
38
Flame arrester cover
Bolt
M6
6
2
0.2
1.4
Starter motor terminal nut
Nut
M6
1
5
0.5
3.6
JET UNIT:
M
t
lt
Bolt
M10
4
34
3.4
24
Mounting bolt
Bolt
M6
2
7
0.7
5.1
Ride plate
Bolt
M8
6
17
1.7
12
Impeller
Bolt
M20
1
18
1.8
13
Coupling
Nut
M27
1
37
3,7
27
Intermediate housing
Bolt
M8
3
17
1.7
12
Hoosing
Bolt
M10
4
34
3.4
25
