2-8
E
SPEC
TIGHTENING TORQUES
TIGHTENING TORQUES
SPECIFIED TORQUES
Part to be tightened
Part name
Thread
size
Q’ty
Tightening torques
Remarks
N•m
kgf•m
ft•lb
Fuel system
Strap/fuel tank/oil tank – hull
Bolt
M8
4
16
1.6
11
572
LT
Oil filler hose screw clamp
—
—
1
0.6
0.06
0.4
Retainer/fuel pump module
– fuel tank
1st
Nut
—
9
3.2
0.32
2.3
2nd
6.4
0.64
4.6
Fuel filler hose screw clamp
—
—
2
3.7
0.37
2.7
Cap screw clamp (fuel tank)
—
—
1
1.3
0.13
0.9
Intake silencer screw clamp
—
—
1
2.5
0.25
1.8
Intake silencer pipe screw clamp
—
—
2
2.5
0.25
1.8
Intake duct –
exhaust chamber bracket
1st
Bolt
M8
1
9.0
0.9
6.5
242
LT
2nd
18
1.8
13
Intake duct –
generator cover
1st
Bolt
M8
2
9.0
0.9
6.5
242
LT
2nd
18
1.8
13
Throttle bodies assembly –
throttle bodies bracket 1, 2
1st
Bolt
M8
2
9.0
0.9
6.5
242
LT
2nd
18
1.8
13
Throttle cable locknut and adjuster
(throttle bodies end)
—
—
1
11
1.1
8.0
Intake air temperature sensor –
intake silencer case cover
—
—
1
7.5
0.75
5.4
572
LT
Intake silencer case cover – intake
silencer case
Tapping
screw
ø6
13
1.8
0.18
1.3
Flame arrester – intake silencer
case
Screw
M5
6
0.8
0.08
0.6
Fuel rail – throttle bodies
Bolt
M6
3
8.8
0.88
6.4
Oil pump cable –
oil pump lever
1st
Bolt
M5
1
2.2
0.22
1.6
572
LT
2nd
4.4
0.44
3.2
Oil pump cable locknut and
adjuster
—
—
1
11
1.1
8.0
Bleed hose stay –
exhaust chamber bracket
Bolt
M6
1
7.6
0.76
5.5
Oil pump – generator cover
1st
Bolt
M6
2
3.8
0.38
2.7
2nd
7.6
0.76
5.5
Air bleed screw
—
—
1
3.4
0.34
2.5
Engine
Spark plug
—
—
3
25
2.5
18
Muffler cover – muffler
Bolt
M6
3
12
1.2
8.7
242
LT
Outer exhaust joint screw clamp
—
—
2
2.5
0.25
1.8
Inner exhaust joint screw clamp
—
—
2
1.5
0.15
1.1
Exhaust joint screw clamp
—
—
2
2.5
0.25
1.8
Eye – muffler
Nut
M10
2
39
3.9
28
271
LT
Eye – cylinder head
Bolt
M10
4
39
3.9
28
271
LT
Muffler stay – cylinder
Bolt
M10
2
39
3.9
28
271
LT