SPEC
TIGHTENING TORQUE (FT9.9D)
2-32
E
TIGHTENING TORQUE (FT9.9D)
SPECIFIED TORQUE
Part to be tightened
Part
Thread
Q’ty
Tightening torque
name
size
Nm
m•kg
ft•lb
POWER UNIT
Power unit mounting
Bolt
M8
6
21
2.1
15.2
Flywheel
Nut
M16
1
110
11.0
80
Carburetor
Bolt
M6
2
10
1.0
7.2
Oil filter
—
—
1
18
1.8
13
Oil filter plug (cylinder block)
—
M20
1
40
4.0
29
Spark plug
—
M12
2
18
1.8
13
Drive sprocket
Nut
M28
1
55
5.5
39.8
Driven sprocket
Bolt
M6
1
13
1.3
9.4
Cylinder head cover
Bolt
M6
4
8
0.8
5.8
Cylinder head
Bolt
M8
6
30
3.0
21.7
Bolt
M6
3
12
1.2
8.7
Valve adjusting screw
—
M6
4
14
1.4
10.0
Oil pump cover
Screw
M6
2
4
0.4
2.9
Exhaust cover
Bolt
M6
7
12
1.2
8.7
Crankcase
1st
Bolt
M8
4
15
1.5
10.8
2nd
30
3.0
22
1st
Bolt
M6
6
6
0.6
4.5
2nd
12
1.2
8.7
Connecting rod
1st
Bolt
M7
4
10
1.0
7.2
2nd
22
2.2
16
Anode mounting
Bolt
M5
1
5
0.5
3.6
Starter motor mounting
Bolt
M8
3
29
2.9
21
LOWER UNIT
Propeller
Nut
M10
1
21
2.1
15.2
Lower unit mounting
Bolt
M8
4
18
1.8
13
Pinion gear nut
Nut
M8
1
25
2.5
18
BRACKET
Tiller handle mounting (pivot)
Nut
M10
1
10
1.0
7.2
Tiller handle mounting locknut (pivot)
Nut
M10
1
23
2.3
16.6
Steering friction piece
Bolt
M6
1
4
0.4
2.9
Tilt stop lever
Bolt
M6
4
8
0.8
5.8
Upper rubber mounting
Nut
M8
2
21
2.1
15
Lower rubber mounting
Bolt/Nut
M8
4
32
3.2
23
Cramp bracket
Nut
M22
2
12
1.2
8.7
Upper casing
Bolt
M8
6
18
1.8
13