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2-13
SPEC
E
TIGHTENING TORQUES
TIGHTENING TORQUES
2
SPECIFIED TORQUES
Part to be tightened
Thread size
Tightening torques
Nm
m•kgf
ft•lb
POWER UNIT
Flywheel magnet assembly
M24
190
19
137
Positive battery lead
M8
9
0.9
6.5
Power unit mount
M8
42
4.2
30
Driven sprocket
M10
60
6.0
43
Drive sprocket
M40
265
27
192
Timing belt tensioner
M10
40
4.0
29
Spark plug
M14
25
2.5
18
Cylinder head cover
M6
8
0.8
5.8
Breather cover
M4
2
0.2
1.4
Fuel pump bracket assembly
M7
17
1.7
12
Camshaft cap
1st
M7
8
0.8
5.8
2nd
17
1.7
12
Cylinder head assembly
1st
M8
14
1.4
10
2nd
28
2.8
20
Cylinder head assembly
(1.5 mm thread pitch)
1st
M10
15
1.5
11
2nd
30
3.0
22
3rd
Turn 90˚
Exhaust cover
1st
M6
6
0.6
4.3
2nd
12
1.2
8.7
Oil filter
—
18
1.8
13
Oil pressure switch
—
8
0.8
5.8
Crankcase
1st
M8
14
1.4
10
2nd
28
2.8
20
Crankcase
(1.5 mm thread pitch)
1st
M10
19
1.9
14
2nd
Turn 60˚
Connecting rod cap
1st
M8
15
1.5
11
2nd
Turn 60˚
LOWER UNIT
Propeller
M18
55
5.5
40
Trim tab
M10
43
4.3
31
Lower unit
M10
37
3.7
27
Impeller housing
M8
18
1.8
13
Shift rod assembly
M6
8
0.8
5.8
Ring nut
M101.5
105
10.5
76
Drive shaft housing assembly
M8
18
1.8
13
Pinion nut
M16
93
9.3
67
Gear oil drain screw
—
7
0.7
5.1
Gear oil level check screw
—
7
0.7
5.1