Echo CS-8002 User Manual
CS-800101-81B-00
INDEX
1
0
1
2
3
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 and directions in this SERVICE
DATA are based on the latest products
information available at the time of
publication.
ECHO SERVICE MANUAL Ord. 401-17
(Model : CS-4000, CS-4100, CS-4500, CS4600, CS-5500, CS-6700, CS-8000) and Ord.
401-23 (Model : CS-6702) contains lots of
information for servicing this model.
CONTENTS
page
1 SERVICE INFORMATION .............................2
1-1 Specification...............................................2
1-2 Technical data ............................................3
1-3 Torque limits ...............................................4
1-4 Special repairing materials ........................5
1-5 Service limits..............................................6
1-6 Special tools...............................................7
2 EMISSION ADJUSTMENT GUIDE ............... 8
2-1 General adjusting rules .............................. 8
2-2 Presetting idle adjust screw, L mixture needle
and H mixture needle....................................... 8
2-3 Adjusting carburettor..................................9
Reference No. 01-81B-00
ISSUED: 200411
2
1 SERVICE INFORMATION
1-1 Specifications
Dimensions Length* mm(in) 421 (16.58)
Width mm(in) 244 (9.61)
Height mm(in) 311 (12.24)
Dry weight* kg(lb) 7.5 (16.5)
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder
Rotation Clockwise as viewed from the output end
Displacement cm3(in3) 80.7 (4.924)
Bore mm(in) 52.0 (2.047)
Stroke mm(in) 38.0 (1.496)
Compression ratio 7.3
Carburettor Type Diaphragm horizontal-draught
Model Walbro HDA-153B
Venturi size-Throttle bore mm(in) 15.88 - 19 (0.625 - 0.748)
Ignition Type CDI (Capacitor discharge ignition) system
Spark plug RCJ-6Y
Starter Type Automatic rewind
Rope diameter x length mm(in) 4.0 x 900 (0.16 x 35.4)
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.S.fl.oz.) 0.82 (27.7)
Clutch Type Centrifugal, 3-shoe slide
Guide bar / Saw chain lubrication type Automatic with volume adjuster and manual
Tank capacity, oil L (U.S.fl.oz.) 0.40 (13.5)
Sprocket Type Floating rim
Number of teeth 7
Pitch in 3/8
Guide bar Type for gauge 0.050 in 40RS50-3/8E1 50RS50-3/8E1 60RS50-3/8E1 ---
for gauge 0.058 in 40RS58-3/8E 50RS58-3/8E 60RS58-3/8E 70RS58-3/8E
Called length cm 40 50 60 70
Gauge in 0.050/0.058
Saw chain Number of drive links 60 72 84 96
Pitch in 3/8
Gauge in 0.050/0.058
* Without guide bar and saw chain.
SERVICE INFORMATION CS-8001
Ventilated piston
with electronic timing advancer
40S50 50S50 60S50 ---
40S58 50S58 60S58 70S58
SERVICE INFORMATIONCS-8001
1-2 Technical data
Engine
Idling speed r/min 2300 - 3300
Operating speed r/min 9000 - 9500
Wide open throttle speed* r/min 11500 - 12500
Clutch engagement speed r/min 3500 - 4000
Compression pressure MPa (kgf/cm2) (psi) 0.98 (10.0) (142)
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 800 r/min kV 15
Secondary coil resistance kΩ 1.8 - 2.2
Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing at 1200 r/min °BTDC 10
at 3000 r/min °BTDC 14.5
at 10000 r/min °BTDC 25
Carburettor
Idle adjust screw initial setting turn in** 2
L mixture needle initial setting turns back 2 3/8
H mixture needle initial setting turns back 3 3/8
Test Pressure, minimum MPa (kgf/cm2) (psi) 0.05 (0.5) (7.0)
Metering lever height mm(in) Flush with diaphragm seat
Chain oil discharge volume at 7000 r/ min Adjustable: 3 - 13 (0.09 - 0.39)
mL/min(U.S.fl.oz./min) (Factory set 8mL/min)
BTDC: Before top dead centre.
3
*With 50cm guide bar and saw chain.
**Set idle adjust screw to contact throttle plate before initial setting.
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