JH600 Maintenance Manual
Overview
-9-
Standard Torque Values
ENGINE
Item
Quantity
Thread
diameter
(mm)
Torque value
(N.m)
Thread locker
Cylinder head connecting bolt
12
6
10
～
14
Cylinder bolt
4
10
48
～
52
Valve adjusting screw nut
4
5
7
～
11
Timing driven sprocket bolt
2
6
10
～
14
Rocker-arm shaft cover
2
14
24
～
28
Magneto flywheel fastening nut
1
18
171
～
189
LOCTITE 243
Clutch fastening nut
1
18
114
～
126
LOCTITE 243
Primary driving gear fastening nut
1
18
143
～
157
LOCTITE 243
Oil drain plug
1
14
28
～
32
Crankshaft, main-shaft bearing baffle
screw
5
6
8
～
12
LOCTITE 648
Screw M5*12 (GB/T818-2000)
3
5
6
～
9
LOCTITE 648
Gearshift drum plate connecting bolt
1
6
10
～
14
Gearshift shaft set bolt
1
8
23
～
27
Stud
7
6
8
～
12
LOCTITE 648
Stud
1
8
10
～
14
Exhaust valve stud bolt
2
8
10
～
14
LOCTITE 243
Freewheel and flywheel connecting
screw
6
8
23
～
27
LOCTITE 243
Stator connecting bolt
3
6
10
～
14
LOCTITE 648
Stator leads pressure plate bolt
2
6
10
～
14
LOCTITE 648
Spark Plug
1
10
14
～
18
Driving primary driving gear fastening
nut
3
6
10
～
14
LOCTITE 648
Liquid tube set bolt
1
8
10
～
14
Water temperature sensor
1
12
27
～
33
Tensioner plate fastening bolt
1
8
23
～
27
