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EAS20017
TIGHTENING TORQUES
EAS30015
GENERAL TIGHTENING TORQUE
SPECIFICATIONS
This chart specifies tightening torques for stan-
dard fasteners with a standard ISO thread pitch.
Tightening torque specifications for special com-
ponents or assemblies are provided for each
chapter of this manual. To avoid warpage, tight-
en multi-fastener assemblies in a crisscross pat-
tern and progressive stages until the specified
tightening torque is reached. Unless otherwise
specified, tightening torque specifications re-
quire clean, dry threads. Components should be
at room temperature.
EAS30016
ENGINE TIGHTENING TORQUES
Item
Air filter case joint clamp screw
Air filter case bolt
Air filter case side cover screw (left)
Air filter case side cover screw (right)
Spark plug
O
sensor
2
Muffler protector (outer)
Muffler protector (inner)
Exhaust pipe protector bracket bolt
Exhaust pipe nut
Exhaust pipe bolt
Muffler assembly bolt
Exhaust pipe joint bolt
Exhaust pipe protector bolt
Engine ground lead bolt
Camshaft cap bolt
Camshaft sprocket bolt
A. Distance between flats
B. Outside thread diameter
A (nut)
10 mm
12 mm
14 mm
17 mm
19 mm
22 mm
Thread
Q'ty
size
M5
2
2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
M6
2
M5
3
2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
M5
8
1.3 Nm (0.13 m·kgf, 0.94 ft·lbf)
M10
2
M12
1
M6
1
M6
2
M6
2
M8
4
M8
1
M8
1
M8
1
M6
3
M6
1
M6
12
M7
4
2-12
TIGHTENING TORQUES
General tightening torques
B (bolt)
Nm
6 mm
6
8 mm
15
10 mm
30
12 mm
55
14 mm
85
16 mm
130
Tightening torque
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
25 Nm (2.5 m·kgf, 18 ft·lbf)
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
15 Nm (1.5 m·kgf, 11 ft·lbf)
20 Nm (2.0 m·kgf, 14 ft·lbf)
20 Nm (2.0 m·kgf, 14 ft·lbf)
20 Nm (2.0 m·kgf, 14 ft·lbf)
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
20 Nm (2.0 m·kgf, 14 ft·lbf)
m·kgf
ft·lbf
0.6
4.3
1.5
11
3.0
22
5.5
40
8.5
61
13.0
94
Remarks
LT
LT
LT
LT
E
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