SPEC
TIGHTENING TORQUES
Part to be tightened
Drive coupling – drive shaft
Reduction drive gear case
– crankcase
Holder (relief valve) –
reduction drive gear case
Bearing housing –
reduction drive gear case
Negative battery lead –
starter motor
Starter motor lead – starter motor
Starter motor – crankcase
Generator cover –
crankcase
Rotor – crankshaft
Rotor – starter clutch
Washer/pickup coil lead and
lighting coil lead – generator
Pickup coil – generator cover
Holder (wire harness) –
generator cover
Lighting coil – generator cover
Spark plug
Cam position sensor
Cooling water pipe –
cylinder
Cylinder head cover –
cylinder head
Timing chain tensioner cap bolt
Timing chain tensioner –
cylinder head
Exhaust camshaft cap –
cylinder head
Intake camshaft cap –
cylinder head
Exhaust camshaft sprocket –
exhaust camshaft
Intake camshaft sprocket –
intake camshaft
Hanger – cylinder head
Thread
Part name
—
1st
Bolt
2nd
1st
Bolt
2nd
Bolt
1st
Bolt
2nd
Nut
Bolt
Bolt
1st
Bolt
2nd
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
—
Bolt
1st
Bolt
2nd
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
14
https://www.boat-manuals.com/
Tightening torques
Q'ty
size
N•m
—
1
28
3.7
M6
2
7.6
15
M8
7
28
M6
1
10
15
M8
4
28
—
1
18
M8
1
4.9
M8
1
18
15
M10
8
50
M10
1
75
M8
6
24
M5
3
4.9
M5
4
4.9
M6
2
14
M6
3
14
—
4
13
M6
1
10
3.7
M6
1
7.6
M6
6
12
M6
1
10
M6
2
10
M6
10
10
M6
18
10
M7
2
24
M7
2
24
M8
2
40
E
Remarks
kgf•m
ft•lb
2.8
20
0.37
2.7
0.76
5.5
1.5
11
2.8
20
1.0
7.2
1.5
11
2.8
20
1.8
13
A
0.49
3.5
A
1.8
13
1.5
11
5.0
36
7.5
54
2.4
17
0.49
3.5
0.49
3.5
1.4
10
1.4
10
1.3
9.4
1.0
7.2
0.37
2.7
0.76
5.5
1.2
8.7
1.0
7.2
1.0
7.2
1.0
7.2
1.0
7.2
2.4
17
2.4
17
4.0
29