Zenoah G300PUM Owner's Manual page 16

11. Maintenance
6) TIGHTENING TORQUE
Items
Carburetor
Insulator
Rotor
Cylinder
Crankcase
Spark Plug
Muffler
IG Coil
SO Coil
Recoil Starter
Water Jacket
Mount Plate
16
Standard
Screw Size
N·m
M5 (P=0.8) 3.4
M5 (P=0.8) 4.4
M8 (P=1.0) 12.7
M5 (P=0.8) 6.9
M5 (P=0.8) 5.9
M10 (P=1.0) 10.8
M5 (P=0.8) 8.8
M4 (P=0.7) 1.8
M4 (P=0.7) 1.8
M4 (P=0.7) 1.8
M3 (P=0.5) 1.5
M5 (P=0.8) 3.9
Limit
kg·cm N·m
35 2.9~3.9
45 3.9~4.9
130 9.8~14.7
70 4.9~8.8
60 4.9~6.9
110 8.8~12.8
90 6.9~9.8
18 1.5~2.0
18 1.5~2.0
18 1.5~2.0
15 1.0~2.0
40 3.4~4.4
Remarks
kg·cm
30~40
40~50
100~150
50~90
50~70
90~130
70~100
15~20
15~20
15~20
10~20
35~45