Torque Values - Sym PA12B Service Manual

Torque Values

The torque values listed in above table are for more important tighten torque values. Please see standard
v alues for those not listed in the table.
Standard Torque Values for Reference
Type
5 mm bolt、nut
6 mm bolt、nut
8 mm bolt、nut
10 mm bolt、nut
12 mm bolt、nut
3 mm screw
Engine Torque Values
Item
Cylinder head nut
Cylinder head left bolt
Cylinder stud bolt
Cylinder head side cover bolt
Cylinder head cover bolt
Cylinder head stud bolt (inlet pipe)
Cylinder head stud bolt (EX. pipe)
Air inject pipe bolt
Air inject reed valve bolt
Tappet adjustment screw nut
Spark plug
Tensioner lifter bolt
Carburetor insulator bolt
Oil pump screw
Engine left cover bolt
Engine oil draining bolt
Engine oil strainer cap
Mission draining bolt
Mission filling bolt
Clutch driving plate nut
Clutch outer nut
Drive face nut
ACG. Flywheel nut
Crankcase bolt
Mission case bolt
Muffler mounting bolt
Muffler mounting nut
To this chapter contents
Tighten Torque
0.45~0.6kgf-m
0.8~1.2kgf-m
1.8~2.5kgf-m
3.0~4.0kgf-m
5.0~6.0kgf-m
0.05~0.08kgf-m
Q'ty Thread Dia. (mm) Torque Value(kgf-m)
4 8
1 6
4 8
2 6
2 30
2 6
2 8
4 6
2 3
4 5
1 10
2 6
2 6
2 6
1 7
9 6
1 12
1 30
1 8
1 10
1 28
1 14
1 14
1 14
7 6
7 8
3 10
2 8
1. General Information
Type
4 mm screw
5 mm screw
6 mm screw、SH nut
6 mm bolt、nut
8 mm bolt、nut
10 mm bolt、nut
2.8~3.0
0.8~1.2
0.7~1.0
0.8~1.2
1.3~1.7
1.0~1.4
2.4~3.0
1.0~1.4
0.07~0.09
0.7~1.1
1.0~1.2
1.0~1.4
0.7~1.1
0.3~0.4
1.0~1.4
1.1~1.5
3.5~4.5
1.3~1.7
0.8~1.2
1.0~1.4
5.0~6.0
5.0~6.0
8.5~10.5
5.0~6.0
0.8~1.2
2.6~3.0
3.2 ~3.8
1.0 ~1.2
Tighten Torque
0.10~0.15kgf-m
0.35~0.5kgf-m
0.7~ 1.10kgf-m
1.0 0~1.40kgf-m
2.40 ~3.00kgf-m
3.50~4.50kgf-m
Remarks
Apply oil to thread
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