Torque Limits; Special Repairing Materials - Echo PB-251 Service Data

4

1-3 Torque limits

Descriptions
Starter Starter pawl
system
Starter case
Ignition Ignition coil
system
Spark plug
Fuel Carburettor insulator
system Carburettor
Engine Crankcase
Cylinder
Cylinder cover
Cylinder cover with lead
Engine mount
Muffl er
Muffl er cover
Others Outer fancase
Fan
Fan hub
Regular bolt, nut and screw
* Apply thread locking sealant (See below)
** The torque differences among four bolts should not exceed 20 kgf•cm (N•m, 17in•lbf) on one cylinder or crank-
case.
†
Tapping screw

1-4 Special repairing materials

Material
Thread locking sealant
Grease
SERVICE INFORMATION
Size
M 8* 130 - 150
M 5
M 4
M 14 130 - 170
M 5
M 5
M 5
M 5**
M 5
M 5
M 4*
M 5
M 5*
†
M 5
M 8 140 - 160
M 8* 160 - 200
M 3
M 4
M 5
M 6
M 8 110 - 150
Location
Engine mount
Fun hub
Starter pawl
Muffl er cover
Rewind spring
Starter centre shaft
kgf•cm N•m
13 - 15
40 - 55 4.0 - 5.5
35 - 45 3.5 - 4.5
13 - 17
50 - 70 5 - 7
30 - 45 3 - 4.5
70 - 110 7 - 11
70 - 110 7 - 11
60 - 80 6 - 8
40 - 60 4 - 6
30 - 45 3 - 4.5
70 - 80 7 - 8
30 - 45 3 - 4.5
20 - 40 2 - 4
14 - 16
16 - 20
6 - 10 0.6 - 1
15 - 25 1.5 - 2.5
25 - 45 2.5 - 4.5
45 - 75 4.5 - 7.5
11 - 15
Remarks
Loctite # 242, ThreeBond 1324 or equivalent
Loctite # 222, ThreeBond 1342 or equivalent
Lithium based grease or ECHO LUBE
PB-251
PB-255ES
ES-255ES
in•lbf
115 - 130
35 - 50
30 - 40
114 - 150
45 - 60
25 - 40
60 - 95
60 - 95
50 - 70
35 - 50
25 - 40
60 - 70
25 - 40
17 - 35
120 - 140
140 - 175
5 - 9
13 - 22
22 - 40
40 - 65
95 - 130
TM