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TIGHTENING TORQUES
Part to be tightened
Cylinder head (camshaft cap)
Spark plug
Cylinder head (exhaust pipe)
Cylinder head
Cylinder head
Cylinder head
Cylinder head cover
Flywheel magneto
Camshaft sprocket
Camshaft cap
Timing chain damper 2
Stopper guide
Oil pump assembly
Drain bolt (oil filter)
Oil check bolt
Plug (oil cooler)
Oil delivery pipe
Oil delivery pipe
Relief valve stay
Carburetor joint (front)
Carburetor joint
(air filter assembly)
Air filter case assembly
Exhaust pipe (cylinder head)
Exhaust pipe (muffler)
Muffler
Spark arrester
Muffler purging bolt
Muffler protector
Crankcase assembly
Crankcase cover 1
Crankcase cover 2
(starter motor cover)
Crankcase cover 3
One-way clutch
Primary drive gear
Clutch boss
Pressure plate
MAINTENANCE SPECIFICATIONS
Thread
Part name
size
Flange bolt
M6
–
M10S
Stud bolt
M10
Flange bolt
M10
Flange bolt
M6
Nut
M8
Bolt
M6
Flange bolt
M10
Flange bolt
M7
Flange bolt
M6
Bolt
M6
Panhead
M6
screw
Panhead
M6
screw
Bolt
M6
Bolt
M6
Plug
M12
Union bolt
M10
Union bolt
M8
Flange bolt
M6
Hose clamp
M4
Hose clamp
M5
Bolt with
M6
washer
Nut
M8
Flange bolt
M8
Bolt
M8
Bolt
M6
Bolt
M8
Screw
M6
Bolt
M6
Bolt
M6
Bolt
M6
Bolt
M6
Bolt
M6
Nut
M16
Nut
M16
Screw with
M6
washer
2 - 9
SPEC
Tightening torque
Q'ty
Nm
m·kg ft·lb
8
10
1.0
7.2
1
13
1.3
9.4
2
20
2.0
14
4
40
4.0
29
2
10
1.0
7.2
2
20
2.0
14
3
10
1.0
7.2
1
60
6.0
43
4
24
2.4
17
8
8
0.8
5.8
2
8
0.8
5.8
1
7
0.7
5.1
3
6
0.6
4.3
1
10
1.0
7.2
1
7
0.7
5.1
3
32
3.2
23
2
20
2.0
14
1
18
1.8
13
1
10
1.0
7.2
1
2
0.2
1.4
1
5
0.5
3.6
3
5
0.5
3.6
2
7
0.7
5.1
1
20
2.0
14
2
40
4.0
29
3
7
0.7
5.1
1
20
2.0
14
2
7
0.7
5.1
11
10
1.0
7.2
8
10
1.0
7.2
5
10
1.0
7.2
10
10
1.0
7.2
6
10
1.0
7.2
1
80
8.0
58
1
75
7.5
54
5
8
0.8
5.8
Remarks
LT
LT
LT
LT
LT
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