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SERVICE INFORMATION

GT-220ES
SRM-220ES

5

   Description 

 

mm (in)

 A  Cylinder bore 

 

When plating is worn and aluminium can be seen

 B  Piston outer diameter 

Min. 

32.10  (1.264)   

 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 pin outer diameter 

Min. 

  7.970 (0.3138) 

 

 G  Piston ring width 

Min. 

  1.45  (0.057) 

 H  Piston ring end gap 

Max. 

  0.5 

(0.02)   

 K  Crankshaft runout 

Max. 

  0.03  (0.001) 

 L  Clutch drum bore 

Max. 

51.5 

(2.03) 

5K016

5K042

5K171

5K228A

5K229A

5K230

5K231A

0

5

10

1

2

3

4

5

6

7

8

9

10

11

5K071A

5K268

5K269

1-5 Service limits

A

B

C

D

E

F

G

H

K

L

Summary of Contents for GT-220ES

Page 1: ...ERVICE DATA TRIMMER BRUSHCUTTER GT 220ES SRM 220ES Serial nember 36000001 and after STAGE MODEL Serial nember 37000001 and after CONTENTS page 1 SERVICE INFORMATION 2 1 1 Specification 2 1 2 Technical...

Page 2: ...eries Spark arrestor muffler 37 series Spark arrestor muffler with catalyst Starter Type ES effortless start Rope diameter x length mm in 3 0 x 820 0 12 x 32 2 Fuel Type Premixed two stroke fuel Mixtu...

Page 3: ...12 0 016 Ignition timing at 3000 r min BTDC 27 at 8000 r min BTDC 42 Carburettor Venturi Size mm in 9 0 0 354 Throttle Bore mm in 10 5 0 413 Idle adjust screw initial setting turn in 1 1 2 2 1 2 Idle...

Page 4: ...90 Cylinder cover M 4 14 28 1 4 2 8 12 24 Muffler M 5 60 100 6 10 52 85 Top guard M 5 15 25 1 5 2 5 13 22 Others Trigger holder assembly M 5 35 55 3 3 5 5 30 48 Trigger holder assembly band M 5 20 40...

Page 5: ...D Piston ring groove Max 1 6 0 063 E Piston ring side clearance Max 0 1 0 004 F Piston pin outer diameter Min 7 970 0 3138 G Piston ring width Min 1 45 0 057 H Piston ring end gap Max 0 5 0 02 K Cran...

Page 6: ...ing and installing piston pin Use 8 mm dia adapter 8 897705 11520 Bearing tool Removing and installing con rod small end needle bearing 9 897712 04630 2 pin wrench Removing and installing pawl carrier...

Page 7: ...mixture needle settings Parts Required 2 limiter plug P N P005 001270 1 Remove plugs from Idle mixture needle hole A and Hi speed mixture needle hole B using limiter plug tool C as follows 1 Put limi...

Page 8: ...T 220ES 8 800 r min on SRM 220ES with nylon line head 10 500 r min on SRM 220ES with metal blade Then turn Hi speed mixture needle anticlockwise to reduce WOT en gine speed 20 r min 6 Start engine aga...

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