Sym Mio 100 - Torque Values

1. General Information
1-11
Torque Values
The torque values listed in above table are for more important tighten torque values. Please see standard
values for not listed in the table.
Standard Torque Values for Reference
Type Tighten Torque Type Tighten Torque
5 mm bolt、nut
0.45~0.6kgf-m 5 mm screw 0.35~0.5kgf-m
6 mm bolt、nut
0.8~1.2kgf-m
6 mm screw、SH nut
0.7~ 1.1kgf-m
8 mm bolt、nut
1.8~2.5kgf-m
6 mm bolt、nut
1.0 ~1.4kgf-m
10 mm bolt、nut
3.0~4.0kgf-m
8 mm bolt、nut
2.4 ~3.0kgf-m
12 mm bolt、nut
5.0~6.0kgf-m
10 mm bolt、nut
3.5~4.5kgf-m
Engine Torque Values
Item Q’ty
Thread Dia.
(mm)
Torque Value(kgf-m) Remarks
Cylinder stud bolt 4 8 0.7~1.0 Tighten to crankcase
Cylinder head nut 4 8 1.8~2.2 Apply oil to thread
Cylinder head left bolt 2 6 1.0~1.4
Cylinder head side cover bolt 2 6 1.0~1.4
Valve adjustment cap 2 30 1.3~1.7
Tappet adjustment screw nut 4 5 0.7~1.1 Apply oil to thread
Spark plug 1 10 1.0~1.4
Cylinder head stud bolt (inlet pipe) 2 6 0.7~1.0
Cylinder head stud bolt (EX. pipe) 2 6 0.7~1.0
Tensioner lifter bolt 2 6 1.0~1.4
Tensioner bolt 1 6 0.8~1.2 Socket bolt
Carburetor insulator bolt 2 6 0.7~1.0
Oil pump screw 2 3 0.1~0.3
Engine left cover bolt 7 6 1.0~1.5
Engine oil draining bolt 1 12 3.5~4.5
Engine oil strainer cap 1 30 1.3~1.7
Mission draining bolt 1 8 0.8~1.2
Mission filling bolt 1 10 1.0~1.4
Clutch driving plate nut 1 28 5.0~6.0
Clutch outer nut 1 12 5.0~6.0
Drive face nut 1 12 5.0~6.0
ACG. Flywheel nut 1 12 5.0~6.0
Crankcase bolts 7 6 1.5~2.0
Mission case bolt 7 8 2.0~2.4
One-way clutch tighten bolts 3 6 1.0~1.4 Apply locking sealant
One-way clutch tighten nut 1 22 9.0~10.0 Apply oil to thread
Exhaust pipe bolts 2 8 3.0~3.6
Exhaust pipe connection nuts 2 6 1.0~1.4
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