SERVICE INFORMATION
CS-370ES
CS-420ES
2
1 SERVICE INFORMATION
1-1 Specifications
Model
CS-370ES
CS-420ES
Dimensions Length*
mm(in)
393 (15.5)
Width
mm(in)
245 (9.6)
Height
mm(in)
277 (10.9)
Dry weight*
kg(lb)
4.6 (10.1)
4.6 (10.1)
Engine
Type
KIORITZ, air-cooled, two-stroke, single cylinder
Rotation
Clockwise as viewed from the output end
Displacement
cm
3
(in
3
)
36.3 (2.22)
40.2 (2.45)
Bore
mm(in)
38.0 (1.50)
40.0 (1.58)
Stroke
mm(in)
32.0 (1.26)
32.0 (1.26)
Compression ratio
7.6
6.5
Carburetor
Type
Diaphragm horizontal-draft, with auto-return choke**
Model
Walbro WT-820A
Venturi size-Throttle bore mm(in)
13.5 - 15.85 (0.532 - 0.624)
Ignition
Type
Digital magneto : CDI system
Spark plug
BPMR8Y
Starter
Type
ES (effortless)-start
Rope diameter x length
mm(in)
3.0 x 950 (0.12 x 37.4)
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)
Auto oiler
type
Clutch related type
Sprocket
Type
Spur
Number of teeth
6
7
Pitch
in
3/8
0.325
* Without guide bar and saw chain.
** Auto-return choke is on switch bracket.
Cutting devices
CS-370ES
Guide bar
Part No.
30RC50M-3/8
35RC50M-3/8
Called length
cm
30
35
Gauge
in
0.050
Saw chain
Type
OREGON 91VG
Number of drive links
47
53
Pitch
in
Low profile 3/8
Gauge
in
0.050
Содержание CS-370ES
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