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SERVICE INFORMATION

SRM-2655SI

6

a

1.5

1.65

1.3

0.4

20

20

40

40

60

60

80

80

120

120

140

140

160

160

180

180

20

20

100

100

EC

HO

Key

Part Number

Description

Used for:

1

897801-33330

Tachometer PET-1000 Measuring engine speed

2

895612-79920

L-hex wrench (3 mm)

Removing and installing hex. socket bolts (M4)

3

895610-79920

L-hex wrench (4 mm)

Removing and installing hex. socket bolts (M5)

4

897501-03938

Puller

Removing flywheel

5

897537-12930

Piston stopper

Locking crankshaft rotation

6

897563-19830

Metering lever gauge

Measuring metering lever height on carburettor

7

897603-23030

PTO shaft puller

Removing driven (PTO) shaft

8

897701-06030

Bearing wedge

Removing ball bearings on crankshaft

9

897701-14732

Bearing tool

Removing and installing crankcase ball bearings

10

897702-30131

Piston pin tool

Removing and installing piston pin (Use 8 mm dia. adapter.)

11

897712-04630

2-pin wrench

Removing and installing pawl carrier

12

897714-24330

Oil seal tool

Installing crankcase oil seals

13

897726-09130

Oil seal tool

Removing clutch drum and installing clutch drum ball bearing

14

897719-02830

Piston holder

Making piston steady to remove and install piston and rings

15

897800-79931

Spark tester

Checking ignition system

16

897803-30132

Pressure tester

Checking carburettor and crankcase leakages

17

897826-16131

Pressure rubber plug

Plugging intake port to test crankcase and cylinder leakages

18

897827-16131

Pressure plate

Plugging intake port to test crankcase and cylinder leakages

19

897835-16131

Pressure connector

Checking crankcase and cylinder leakages

20

900600-00012

Washer

Installing drive gear

21

      91007

Compression gauge

Measuring cylinder compression

22

      91020

2 way limiter cap tool

Removing and installing plug

1-6 Special tools

1

7

16

8

17

 a = 3mm

 a = 4mm

9

19

11

6

10

13

14

12

21

2

3

5

4

15

18

20

22

Summary of Contents for SRM-2655SI

Page 1: ...t the time of publication ECHO SERVICE MANUAL Ord 402 24 Model SRM 2655 contains lots of information for servicing this model 1 CONTENTS page 1 SERVICE INFORMATION 2 1 1 Specification 2 1 2 Technical...

Page 2: ...in 3 0 x 920 0 12 x 36 22 Fuel Type Premixed two stroke fuel Mixture ratio 50 1 2 Petrol Minimum 89 octane petrol RON Two stroke air cooled engine oil ISO L EGD ISO CD13738 JASO FC Tank capacity L U...

Page 3: ...tance k 12 13 Pole shoe air gaps mm in 0 3 0 4 0 012 0 016 Ignition timing at 1000 r min BTDC 25 Carburettor Main jet 37 Idle adjust screw initial setting turn in 2 1 2 Idle mixture needle initial set...

Page 4: ...shoe M 6 70 110 7 11 60 95 Engine Crankcase M 5 70 110 7 11 60 95 Cylinder M 5 70 110 7 11 60 95 Top guard M 5 30 45 3 0 4 5 25 40 Muffler M 5 60 100 6 10 52 85 Muffler cover M 5 14 28 1 4 2 8 12 24 O...

Page 5: ...ng is worn and aluminium can be seen B Piston outer diameter Min 33 91 1 335 C Piston pin bore Max 8 030 0 3161 D Piston ring groove Max 1 6 0 063 E Piston ring side clearance Max 0 1 0 004 F Piston p...

Page 6: ...nd installing piston pin Use 8 mm dia adapter 11 897712 04630 2 pin wrench Removing and installing pawl carrier 12 897714 24330 Oil seal tool Installing crankcase oil seals 13 897726 09130 Oil seal to...

Page 7: ...properly mixed at 50 1 with ISO L EGD 2 stroke oil 6 Two line nylon line head with properly cut lines must be installed for proper engine loading 2 2 Presetting idle adjust screw and idle mixture nee...

Page 8: ...00 r min NOTE Engine speed must be allowed to stabilize a minimum of 20 seconds after each adjustment of idle mixture needle to assure accurate tachometer readings 5 Check WOT engine speed WOT engine...

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