SPEC
TIGHTENING TORQUES
Part to be tightened
Exhaust manifold 1 –
cylinder head
Exhaust manifold 2 –
cylinder head
Water jacket – oil tank
Oil tank stay/reduction
drive gear case –
oil separator
Cover (ground lead) – oil tank
Ground lead – oil tank
Oil tank – reduction drive
gear case
Oil tank – oil tank stay
Oil tank stay – cylinder
head
Bracket (coupling cover) –
oil tank
Hanger – oil tank cover
Oil tank cover – oil tank
Oil breather plate 1/
oil breather plate 2 –
oil tank cover
Baffle plate – oil tank
Oil strainer – oil tank
Oil cooler cover – oil tank
Anode – oil tank
Oil pump assembly –
reduction drive gear case
Drain plug (engine oil)
Oil pump housing cover 1/oil pump
housing – oil pump housing cover 2
Thread
Part name
1st
2nd
Bolt
3rd
1st
2nd
Bolt
3rd
1st
Bolt
2nd
1st
Bolt
2nd
Bolt
Bolt
1st
Bolt
2nd
1st
2nd
Nut
3rd
1st
2nd
Bolt
3rd
1st
Bolt
2nd
1st
Bolt
2nd
1st
Bolt
2nd
1st
Bolt
2nd
1st
Bolt
2nd
1st
Bolt
2nd
1st
Bolt
2nd
Screw
1st
Bolt
2nd
1st
Bolt
2nd
Bolt
Bolt
13
https://www.boat-manuals.com/
Tightening torques
Q'ty
size
N•m
22
M8
6
22
35
22
M8
5
22
35
3.7
M6
4
7.6
3.7
M6
3
7.6
M6
3
7.6
M6
2
7.6
15
M8
4
28
2.0
—
2
15
39
2.0
M10
2
15
39
3.7
M6
2
7.6
3.7
M6
4
7.6
3.7
M6
8
7.6
1.9
M5
10
4.4
1.9
M5
3
4.4
3.7
M6
2
7.6
3.7
M6
24
7.6
M4
1
3.7
1.4
M6
8
10
8.8
M8
4
18
M8
1
18
M6
2
7.9
E
Remarks
kgf•m
ft•lb
2.2
16
2.2
16
3.5
25
2.2
16
2.2
16
3.5
25
0.37
2.7
0.76
5.5
0.37
2.7
0.76
5.5
0.76
5.5
0.76
5.5
1.5
11
2.8
20
0.2
1.4
1.5
11
3.9
28
0.2
1.4
1.5
11
3.9
28
0.37
2.7
0.76
5.5
0.37
2.7
0.76
5.5
0.37
2.7
0.76
5.5
0.19
1.4
0.44
3.2
0.19
1.4
0.44
3.2
0.37
2.7
0.76
5.5
0.37
2.7
0.76
5.5
0.37
2.7
0.14
1.0
1.0
7.2
0.88
6.5
1.8
13
1.8
13
0.79
5.7