Echo CS-271T Service Manual - page 2
2
SERVICE INFORMATION
CS-271T
Cutting devices
Guide bar
Part No.
10A4CD3740
12A4CD3745
Called length
in
10
12
Gauge
in
0.043
Saw chain
Number of drive links
40
45
Pitch
in
3/8
Gauge
in
0.043
1 SERVICE INFORMATION
1-1 Specifications
Model
CS-271T
Dimensions Length*
mm(in)
257 (10.12)
Width
mm(in)
228 (8.98)
Height
mm(in)
210 (8.27)
Dry weight*
kg(lb)
3.0 (6.6)
YAMABIKO, air-cooled, two-stroke, single cylinder
Engine
Type
gasoline engine
Rotation Clockwise as viewed from the output end
Displacement cm
3
(in
3
) 26.9 (1.641)
Bore mm(in) 35.0 (1.378)
Stroke mm(in) 28.0 (1.102)
Compression ratio 6.6
Carburetor
Type
Diaphragm horizontal-draft
Model Walbro WT-1008
Venturi size-Throttle bore mm(in) 11.11-14.3 (0.437-0.563)
Ignition
Type
CDI (Capacitor discharge ignition) system
Digital Magneto
Spark plug
BPM8Y (CANADA: BPMR8Y)
Starter
Type
Automatic rewind starter
Rope diameter x length
mm(in)
3.5x700 (0.14x27.6)
Fuel
Type
Premixed two-stroke fuel
Mixture ratio 50 : 1 (2 %)
Gasoline Minimum 89 octane gasoline
Two-stroke air cooled engine oi
l
ISO-L-EGD (ISO/CD13738), JASO M345-FC/FD
Tank capacity
L (U.S.fl.oz.)
0.24 (8.1)
Exhaust
Muffler type
Spark arrester muffler
Clutch
Type
Centrifugal type, 3-shoe slide with 3-tension spring
Guide bar / Saw chain lubrication type
Adjustable automatic oil pump
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
Pitch
in
3/8
* Without guide bar and saw chain.
Oregon Saw chain 90SG