SERVICE INFORMATION
CS-260TES
CS-270WES
2
1 SERVICE INFORMATION
1-1 Speci
fi
cations
Model
CS-260TES
CS-270WES
Dimensions Length*
mm(in)
257 (10.1)
380 (15.0)
Width
mm(in)
219 (8.6)
220 (8.7)
Height
mm(in)
210 (8.3)
230 (9.1)
Dry weight*
kg(lb)
2.9 (6.3)
3.1 (6.8)
Engine
Type
KIORITZ, air-cooled, two-stroke, single cylinder
Rotation
Clockwise as viewed from the output end
Displacement cm
3
(in
3
)
26.9
(1.641)
Bore
mm(in)
35
(1.378)
Stroke
mm(in)
28
(1.102)
Compression
ratio
6.4
Carburettor Type
Diaphragm horizontal-draught with auto-return choke
Model
(Walbro)
WT-843
WT-845
Venturi size-Throttle bore mm(in)
9.53 - 14.3 (0.375 - 0.563)
Ignition
Type
Digital Magneto : CDI system
Spark
plug
BPMR-7A
Starter Type
ES
(Effortless)-start
Rope diameter x length
mm(in)
3.5 x 750 (0.14 x 29.5)
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.
fl
.oz.)
0.24 (8.1)
Clutch
Type
Centrifugal, 3-shoe slide with 3-tension spring
Guide bar / Saw chain lubrication type
Automatic with volume adjuster
Oil
Tank capacity
L (U.S.
fl
.oz.)
0.16 (5.4)
Auto oiler
Type
clutch related type
Sprocket Type
Spur
Number of teeth
6 (Sproket nose bar), 8 (for Carving bar)
Pitch
in
3/8 (Sproket nose bar), 1/4 (for Carving bar)
Cutting devices Sproket nose bar Carving
Guide bar
Type
20RC50-3/8
25RC50S-3/8 30RC50M-3/8
25C50
Called length
cm
20
25
30
25
Gauge
in
0.050
Saw chain
Number of drive link
35
40
47
60
Pitch
in 3/8 1/4
Gauge
in
0.050
* Without guide bar and saw chain.
