Echo PB-255ES User Manual

Page 4

Advertising
background image

SERVICE INFORMATION

PB-251

PB-255ES

ES-255ES

4

1-3 Torque limits

Descriptions

Size

kgf•cm

N•m

in•lbf

Starter Starter pawl

M 8*

130 - 150

13 - 15

115 - 130

system

Starter case

M 5

40 - 55

4.0 - 5.5

35 - 50

Ignition Ignition coil

M 4

35 - 45

3.5 - 4.5

30 - 40

system

Spark plug

M 14

130 - 170

13 - 17

114 - 150

Fuel

Carburettor insulator

M 5

50 - 70

5 - 7

45 - 60

system

Carburettor

M 5

30 - 45

3 - 4.5

25 - 40

Engine Crankcase

M 5

70 - 110

7 - 11

60 - 95

Cylinder

M 5**

70 - 110

7 - 11

60 - 95

Cylinder cover

M 5

60 - 80

6 - 8

50 - 70

Cylinder cover with lead

M 5

40 - 60

4 - 6

35 - 50

Engine mount

M 4*

30 - 45

3 - 4.5

25 - 40

Muffl er

M 5

70 - 80

7 - 8

60 - 70

Muffl er cover

M 5*

30 - 45

3 - 4.5

25 - 40

Others Outer

fancase

M

5

20 - 40

2 - 4

17 - 35

Fan

M 8

140 - 160

14 - 16

120 - 140

Fan hub

M 8*

160 - 200

16 - 20

140 - 175

Regular bolt, nut and screw

M 3

6 - 10

0.6 - 1

5 - 9

M 4

15 - 25

1.5 - 2.5

13 - 22

M 5

25 - 45

2.5 - 4.5

22 - 40

M 6

45 - 75

4.5 - 7.5

40 - 65

M 8

110 - 150

11 - 15

95 - 130

1-4 Special repairing materials

Material

Location

Remarks

Thread locking sealant Engine mount

Loctite # 242, ThreeBond 1324 or equivalent

Fun hub

Starter pawl

Loctite # 222, ThreeBond 1342 or equivalent

Muffl er cover

Grease

Rewind spring

Lithium based grease or ECHO LUBE

TM

Starter centre shaft

* Apply thread locking sealant (See below)
** The torque differences among four bolts should not exceed 20 kgf•cm (Nm, 17in•lbf) on one cylinder or crank-
case.

Tapping screw

Advertising