Echo CS-350WES User Manual
Page 2

SERVICE INFORMATION
CS-350T
CS-350TES
CS-350WES
2
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
cm
3
(in
3
)
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)
WT-699, WT-699A, WT-698A**
WT-722, WT-722A
WT-721**
Venturi size-Throttle bore mm(in)
13.5 - 15.85 (0.532 - 0.624)
Ignition
Type
CDI (Capacitor discharge ignition) system in a
single integrated piece, with electronic timing advancer
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 oi
l
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
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
* 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