Echo CS-400 Service Manual - page 2
2
SERVICE INFORMATION
CS-400
1 SERVICE INFORMATION
1-1 Specifications
Model
CS-400
Dimensions Length*
mm(in)
393 (15.47)
Width
mm(in)
245 (9.65)
Height
mm(in)
277 (10.91)
Dry weight*
kg(lb)
4.6 (10.1)
Engine
Type
YAMABIKO, air-cooled, two-stroke, single cylinder
Rotation
Clockwise as viewed from the output end
Displacement
cm
3
(in
3
)
40.2 (2.453)
Bore mm(in) 40.0 (1.575)
Stroke mm(in) 32.0 (1.260)
Compression ratio 6.5
Carburetor Type
Diaphragm, horizontal-draught, with purge bulb**
Model
Walbro WT-985
Venturi size-Throttle bore mm(in)
13.50 - 15.85 (0.532 - 0.624)
Ignition
Type
CDI (Capacitor discharge ignition) system
with electronic timing advancer and speed governor
Spark plug
BPM8Y (CANADA : BPMR8Y)
Exhaust
Muffler type
Spark arrester muffler with catalyst
Starter
Type
Automatic rewind
Rope diameter x length
mm(in)
3.0 x 900 (0.14 x 35.4)
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.)
0.41 (13.9)
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.)
0.28 (9.5)
Sprocket
Type
Spur
Number of teeth
6
Pitch
in
3/8
Chain tensioner type
Side Access
* Without guide bar and saw chain. ** Purge bulb on engine body
Cutting devices
Guide bar
Part No.
16A0ED3757
18A0ED3762
Called length
in
16
18
Gauge
in
0.050
Saw chain
Type
OREGON 91VG
Number of drive links
57
62
Pitch
in
3/8
Gauge
in
0.050