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Part to be tightened
Exhaust cover bolt
Thermostat cover bolt
Balancer piston nut
Connecting rod bolt
Crankcase bolt
Crankcase bolt
Crankcase cover bolt
Lower unit
Part to be tightened
Check screw
Drain screw
Lower case mounting bolt
Propeller nut
Propeller shaft housing bolt
Pinion nut
Water inlet cover screw
Lower case mounting bolt (high thrust model)
Extension nut
Propeller shaft housing bolt (high thrust model)
Bracket unit
Part to be tightened
Self-locking nut
Throttle grip screw
Engine shut-off switch nut
PTT switch screw
PTT switch bracket screw
Friction plate bolt
Self-locking nut
Alert indicator screw
Flushing hose adapter screw
Self-locking nut
Upper mount bolt
Lower mounting nut
Grease nipple
Lower mount housing bolt
(S-transom model)
Lower mount housing bolt (L-transom model)
Baffle plate screw
Screw size
1st
M8
2nd
1st
M8
2nd
—
1st
M6
2nd
1st
M8
2nd
1st
M6
2nd
M6
Screw size
—
—
M10
—
M6
—
M5
M10
—
M8
Screw size
—
M5
—
M6
M6
M5
—
M6
ø6
—
M8
—
—
1st
M8
2nd
—
M5
Special tightening torque
Tightening torques
N·m
kgf·m
6
0.6
12
1.2
6
0.6
12
1.2
157
15.7
115.8
6
0.6
17
1.7
15
1.5
30
3.0
6
0.6
12
1.2
12
1.2
Tightening torques
N·m
kgf·m
9
0.9
9
0.9
37
3.7
34
3.4
11
1.1
50
5.0
1
0.1
39
3.9
39
3.9
16
1.6
Tightening torques
N·m
kgf·m
37
3.7
3.5
0.35
2.5
0.25
4
0.4
4
0.4
4
0.4
4
0.4
4
0.4
5
0.5
24
2.4
26
2.6
54
5.4
3
0.3
14
1.4
24
2.4
54
5.4
2
0.2
ft·lb
4.4
8.9
4.4
8.9
1
4.4
12.5
11.1
22.1
4.4
8.9
8.9
ft·lb
6.6
6.6
27.3
25.1
8.1
36.9
0.7
28.8
28.8
11.8
ft·lb
27.3
2.58
1.84
3.0
3.0
3.0
3.0
3.0
3.7
17.7
19.2
39.8
2.2
10.3
17.7
39.8
1.5
1-22
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