CS-350T, CS-350TES, CS-350WES00-36A-04
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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.
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 ....................................... 9
2-3 Adjusting carburettor.................................. 9
Reference No. 00-36A-04
R E V I S E D : 2 0 0 5 0 7
ISSUED: 200409
INDEX
CS-350T
CS-350TES
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1 SERVICE INFORMATION
1-1 Specifications
Model CS-350T CS-350TES CS-350WES
Dimensions Length* mm(in) 275 (10.8) 277 (10.9) 392 (15.4)
Width mm(in) 230 (9.1) 233 (9.1) 241 (9.5)
Height mm(in) 211 (8.3) 214 (8.4) 236 (9.3)
Dry weight* kg(lb) 3.3 (7.3) 3.3 (7.3) 3.6 (7.9)
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder
Rotation Clockwise as viewed from the output end
Displacement cm3(in3) 35.8 (2.185)
Bore mm(in) 39 (1.535)
Stroke mm(in) 30 (1.181)
Compression ratio 7.0
Carburettor Type Diaphragm horizontal-draught with auto-return choke
Model (Walbro)
Venturi size-Throttle bore mm(in) 13.5 - 15.85 (0.532 - 0.624)
Ignition Type CDI (Capacitor discharge ignition) system in a
Spark plug BPMR7A
Starter Type Automatic rewind ES (Effortless-start)
Rope diameter x length mm(in) 3.0 x 900 (0.12 x 35.4) 3.5 x 950 (0.14 x 37.4)
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.fi.oz) 0.37 (12.5)
Clutch Type Centrifugal, 3-shoe slide with 3-tension spring
Guide bar / Saw chain lubrication type Automatic with volume adjuster
Oil Tank capaciz) L (U.S.fl.oz.) 0.23 (7.8)
Sprocket Type Spur
Number of teeth 6
Pitch in 3/8
* Without guide bar and saw chain.
** CS-350TES with WT-698A : Serial Number 36010654 and after
CS-350WES with WT-721 : Serial Number 36007691 and after
SERVICE INFORMATION
WT-699, WT-699A, WT-698A**
single integrated piece, with electronic timing advancer
CS-350WES
WT-722, WT-722A
WT-721**
Cutting devices
Guide bar Type 30RC50-3/8 35RC50-3/8 40RC50-3/8
Called length cm 30 35 40
Gauge in 0.050
Saw chain Number of drive links 47 53 58
Pitch in 3/8
Gauge in 0.050
CS-350T
CS-350TES
CS-350WES
1-2 Technical data
Model CS-350T CS-350TES CS-350WES
Engine
Idling speed r/min 2900 - 3500
Operating speed* r/min 9300 - 10200
High speed (No load full throttle)* r/min 12500 - 13500
Clutch engagement speed* r/min 4000 - 4450
Compression pressure MPa (kgf/cm2) (psi) 0.97 (9.8) (140)
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1500 r/min kV 17.0
Secondary coil resistance kΩ 1.2 - 1.8
Pole shoe air gaps mm(in) 0.30 - 0.40 (0.012 - 0.016)
Ignition timing at 1500 r/min °BTDC 15 † 20
at 3000 r/min °BTDC 16.5 † 21.5
at 7000 r/min °BTDC 30 † 35
Carburettor
Idle adjust screw initial setting turns in** 4 7/8 2 1/8
L mixture needle initial setting turns back 2 1/8 (WT-699, WT-699A) 1 7/8 (WT-722, WT-722A)
H mixture needle initial setting turns back 2 5/8 (WT-699) 2 7/8 (WT-722)
Test Pressure, minimum MPa (kgf/cm2) (psi) 0.05 (0.5) (7.0)
Metering lever height mm(in) 1.65 (0.06) lower than diaphragm seat
Chain oil discharge volume at 7000 r/ min Adjustable : 1.5 - 13 (0.05 - 0.44)
mL/min(U.S.fl.oz./min) (Factory set 7 mL/min)
BTDC: Before top dead centre.
*With 35cm guide bar and saw chain.
**Set idle adjust screw to contact throttle plate before initial setting.
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Serial number CS-350T 36000001 to 36002100, CS-350TES 36000001 to 36007533,
CS-350WES 36000001 to 36004400
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Serial number CS-350TES 36007534 and after, CS-350WES 36004401 and after
*** CS-350TES with WT-698A : Serial Number 36010654 and after
CS-350WES with WT-721 : Serial Number 36007691 and after
SERVICE INFORMATION
††
††
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2 3/4 (WT-698A)*** 2 1/8 (WT-721)***
2 7/8 (WT-699A) 2 3/8 (WT-722A)
2 7/8 (WT-698A)*** 3 1/8 (WT-721)***
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