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10-25G-01
INTRODUCTION
We are constantly working on technical
improvement of our products. For this reason,
technical data, equipment and design are
subject to change without notice. All
specifications, illustrations and directions in
this SERVICE DATA are based on the latest
products information available at the time of
publication.
ECHO SERVICE MANUAL Ord. 402-24
(Model : SRM-2655) contains lots of
information for servicing this model.
INDEX
SRM-2655SI
1 SERVICE INFORMATION ............................. 2
1-1 Specification ............................................... 2
1-2 Technical data ............................................ 3
1-3 Torque limits ............................................... 4
1-4 Special repairing materials ........................ 4
1-5 Service limits .............................................. 5
1-6 Special tools ............................................... 6
2 EMISSION ADJUSTMENT GUIDE ............... 7
2-1 General adjusting rules .............................. 7
needle ........................................................ 7
2-3 Adjusting carburettor .................................. 8
CONTENTS
10-25G-01
Reference No.
R E V I S E D :
2 0 0 5 0 2
ISSUED: 200410
1
1
page
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Summary of Contents for Echo SRM-2655SI
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Page 1: Table Of Contents
1-6 Special tools ..........6 products information available at the time of publication. 2 EMISSION ADJUSTMENT GUIDE ....7 ECHO SERVICE MANUAL Ord. 402-24 2-1 General adjusting rules ......7 (Model : SRM-2655) contains lots of 2-2 Presetting idle adjust screw and idle mixture information for servicing this model. -
Page 2: Service Information
SERVICE INFORMATION SRM-2655SI 1 SERVICE INFORMATION 1-1 Specifications Model SRM-2655SI(L) SRM-2655SI(U) Dimensions Length* mm(in) 1785 (70.3) 1790 (70.5) Width mm(in) 360 (14.2) 690 (27.2) Height mm(in) 350 (13.8) 460 (18.1) Dry weight ** kg(lb) 5.9 (13.0) 6.5 (14.3) Engine Type... -
Page 3: Technical Data
SRM-2655SI SERVICE INFORMATION 1-2 Technical data Engine Idling speed r/min 2400 - 3000 Operating speed r/min 7000 Wide open throttle speed* r/min 8500 - 10000 Clutch engagement speed r/min 3100 - 3700 Compression pressure MPa (kgf/cm ) (psi) 0.98 (9.8) (138) -
Page 4: Torque Limits
SERVICE INFORMATION SRM-2655SI 1-3 Torque limits Descriptions Size kgf•cm N•m in•lbf Starter Pawl carrier 90 - 120 9 - 12 80 - 100 system Starter case M 4* 14 - 28 1.4 - 2.8 12 - 24 Ignition Magneto rotor (Flywheel) -
Page 5: Service Limits
SRM-2655SI SERVICE INFORMATION 1-5 Service limits 5K182 5K222 5K223 5K224 5K225 5K016 5K042 5K188 5K219 5K220 5K189 Description mm (in) Cylinder bore When plating is worn and aluminium can be seen Piston outer diameter Min. 33.91 (1.335) Piston pin bore Max. -
Page 6: Special Tools
SERVICE INFORMATION SRM-2655SI 1-6 Special tools a = 3mm a = 4mm Part Number Description Used for: 897801-33330 Tachometer PET-1000 Measuring engine speed 895612-79920 L-hex wrench (3 mm) Removing and installing hex. socket bolts (M4) 895610-79920 L-hex wrench (4 mm) Removing and installing hex. socket bolts (M5) -
Page 7: Emission Adjustment Guide
SRM-2655SI SERVICE INFORMATION 2 EMISSION ADJUSTMENT GUIDE 2-1 General adjusting rules Before starting the unit for adjustment, check the following items. 1. The correct spark plug must be clean and properly gapped. 2. The air filter element must be clean and properly installed. -
Page 8: Adjusting Carburettor
SERVICE INFORMATION SRM-2655SI 2-3 Adjusting carburettor 1. Start engine and warm it up well for about 3 - 5 minutes with cycle of 50 seconds WOT (Wide Open Throttle) and 10 seconds at idling. 2. Adjust idle mixture needle and obtain maximum idle speed with 2.5 mm blade screw driver.
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