Torque Limits; Special Repairing Materials - Yamabiko ECHO PB-2520 Service Manual

4

1-3 Torque limits

Descriptions
Starter system Starter pulley
Starter case
Ignition system Magneto rotor (Flywheel)
Ignition coil
Spark plug
Fuel system Carburetor
Intake insulator
Engine Crankcase
Cylinder
Engine mount
Engine cover
Muf er
Others Outer fancase
Fan
Regular bolt, nut and screw
** The torque differences among four bolts should not exceed 20 kgf•cm (2N•m, 17in•lbf) on one cylinder or
crankcase.
†
Tapping screw

1-4 Special repairing materials

Material
Grease
Thread locking sealant
SERVICE INFORMATION
Size
M8
M5
M8
M5
M14
M5
M5
M5**
M5**
M5
M5
M5
M5
M6
M3
M4
M5
M6
M8
Location
Oil seal inner lips
Rewind spring
Starter center post
Ignition switch
kgf•cm
70 - 110
50 - 70
160 - 200
40 - 60
130 - 170
30 - 45
50 - 70
70 - 110
70 - 110
60 - 80
†
35 - 60
70 - 110
†
35 - 60
80 - 100
6 - 10
15 - 25
25 - 45
45 - 75
110 - 150
Lithium based grease
Loctite #242, ThreeBond #1344 or equivalent
PB-2520
N•m in•lbf
7 - 11 60 - 95
5 - 7 45 - 60
16 - 20 140 - 175
4 - 6 32 - 50
13 - 17 113 - 150
3 - 4.5 25 - 40
5 - 7 45 - 60
7 - 11 60 - 95
7 - 11 60 - 95
6 - 8 50 - 70
3.5 - 6 30 - 50
7 - 11 60 - 95
3.5 - 6 30 - 50
8 - 10 70 - 87
0.6 - 1 5 - 9
1.5 - 2.5 13 - 22
2.5 - 4.5 22 - 40
4.5 - 7.5 40 - 65
11 - 15 95 - 130
Remarks
EB252