Echo CS-370ES Service Data
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Echo CS-370ES Service Data

Stage ii model
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01-36E-00
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.
INDEX
CS-370ES
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
2-1 General adjusting rules .............................. 7
and H mixture needle ........................................ 7
2-3 Adjusting carburettor .................................. 9
CONTENTS
01-36E-00
Reference No.
I S S U E D :
2 0 0 7 0 3
1
0
page

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Summary of Contents for Echo CS-370ES

  • Page 1: Table Of Contents

    CS-370ES 01-36E-00 CONTENTS INTRODUCTION page We are constantly working on technical 1 SERVICE INFORMATION ......2 1-1 Specification ..........2 improvement of our products. For this reason, 1-2 Technical data ..........3 technical data, equipment and design are 1-3 Torque limits ..........4 subject to change without notice.

  • Page 2: Service Information

    SERVICE INFORMATION CS-370ES 1 SERVICE INFORMATION 1-1 Specifications Model CS-370ES Dimensions Length* mm(in) 393 (15.5) Width mm(in) 245 (9.6) Height mm(in) 277 (10.9) Dry weight* kg(lb) 4.6 (10.1) Engine Type KIORITZ, air-cooled, two-stroke, single cylinder Rotation Clockwise as viewed from the output end Displacement 36.3 (2.22)

  • Page 3: Technical Data

    CS-370ES SERVICE INFORMATION 1-2 Technical data Engine Idling speed r/min 2400 - 2900 Wide open throttle speed* r/min 11500 - 12500 Clutch engagement speed r/min 3800 - 4300 Compression pressure MPa (kgf/cm ) (psi) 1.02 (10.4) (148) Ignition system Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)

  • Page 4: Torque Limits

    SERVICE INFORMATION CS-370ES 1-3 Torque limits Descriptions Size kgf•cm N•m in•lbf Starter Starter pawl 40 - 60 4 - 6 35 - 50 system Starter case M 5** 25 - 35 2.5 - 3.5 22 - 30 Ignition Magneto rotor (Flywheel)

  • Page 5: Service Limits

    CS-370ES SERVICE INFORMATION 1-5 Service Limits 5K275 5K277 5K278 5K279 5K280 5K016 5K042 5K276 5K173 5K174 5K190 5K191 Description mm (in) A Cylinder bore When plating is worn and aluminum can be seen B Piston outer diameter Min. 37. 91 (1.493)

  • Page 6: Special Tools

    SERVICE INFORMATION CS-370ES 1-6 Special tools a = 3 mm a = 4 mm Part Number Description Reference 990511-30017 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.

  • Page 7: Carburettor Adjustment Procedure

    CS-370ES SERVICE INFORMATION 2 CARBURETTOR ADJUSTMENT PROCEDURE 2-1 General adjusting rules A. 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 SERVICE INFORMATION CS-370ES 2-2 Presetting idle adjust screw, L mixture needle and H mixture needle (continued) 2. Screw threaded end of limiter cap removal tool 91019 with 2.5 mm left-hand thread into center hole of limiter cap anticlockwise until tab of the limiter cap just comes out of the locating slot.

  • Page 9: Adjusting Carburettor

    CS-370ES SERVICE INFORMATION 2-3 Adjusting carburettor 1. Start engine and warm it up at idle for one minute. Idle adjust screw Turn H mixture needle anticlockwise until engine speed drops to approx. 11,000 r/min. 2. Warm it up well for 100 sec alternating engine speed between WOT (Wide Open Throttle) for 5 seconds and idle for 5 seconds .

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