Ch. 1 GENERAL INFORMATION
1-10
Locking Torque
The standard locking torque shall apply in case of no specification.
Standard Torque：
Type Torque (kg-m) Type Torque (kg-m)
5 mm bolt, nut 0.45~0.6 5 mm screw 0.35~0.5
6 mm bolt, nut 0.8~1.2 6 mm screw, SH nut 0.7~ 1.1
8 mm bolt, nut 1.8~2.5 6 mm flange bolt, nut 1.0 ~1.4
10 mm bolt, nut 3.0~4.0 8 mm flange bolt, nut 2.4 ~3.0
12 mm bolt, nut 5.0~6.0 10 mm flange bolt, nut 3.5~4.5
Engine Torque Value：
Locking Position Qt’y Dia. (mm) Torque (kg-m) Remark
Cylinder stud bolt 4 10 1.0~1.4
Cylinder head nut 4 8 3.6~4.0
Cylinder head right bolt 2 8 2.0~2.4
Cylinder head side cover bolt 2 6 1.0~1.4
Cylinder head cover bolt 4 6 1.0~1.4
Cylinder head stud bolt (IN. pipe) 2 6 1.0~1.4
Cylinder head stud bolt (EX. pipe) 2 8 2.4~3.0
Air inject pipe bolt 4 6 1.0~1.4
Tapper adjustment screw nut 4 5 0.7~1.1
Spark plug 1 10 1.0~1.2
Tensioner lifter bolt 2 6 1.0~1.4
Carburetor insulator bolt 2 6 0.7~1.1
Oil pump screw 2 3 0.1~0.3
Water pump impeller 1 7 1.0~1.4
Engine left cover bolt 9 6 1.1~1.5
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 1.1~1.5
Mission filling bolt 1 12 3.5~4.5
Shift drum fixing bolt 1 14 3.5~4.5
Clutch driving plate nut 1 28 5.0~6.0
Clutch outer nut 1 14 5. 0~6.0
Drive face nut 1 14 8.5~10.5
ACG. Flywheel nut 1 14 5.0~6.0
Crankcase bolts 7 6 0.8~1.2
Mission case bolt 7 8 2.6~3.0
Apply oil to thread
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