SERVICE INFORMATION
CS-3700ES
CS-4200ES
2
1 SERVICE INFORMATION
1-1 Specifications
Model
CS-3700ES
CS-4200ES
Dimensions Length*
mm(in)
383 (15.1)
Width
mm(in)
238 (9.4)
Height
mm(in)
270 (10.6)
Dry weight*
kg(lb)
4.4 (9.7)
Engine
Type
KIORITZ, air-cooled, two-stroke, single cylinder
Ventilated piston
Rotation
Clockwise as viewed from the output end
Displacement
cm
3
(in
3
)
35.8 (2.19)
39.6 (2.42)
Bore
mm(in)
39 (1.54)
41 (1.61)
Stroke
mm(in)
30 (1.18)
30 (1.18)
Compression ratio
7.4
7.45
Carburettor Type
Diaphragm horizontal-draught with auto-return choke
Model
WT-416C
Walbro WT-594
Walbro WT-812 with primer
**
Venturi size-Throttle bore mm(in)
13.5 - 15.85 (0.532 - 0.624)
Ignition
Type
CDI (Capacitor discharge ignition) system
Spark plug
BPMR7A
RCJ6Y
Starter
Type
ES (Effortless-start)
Rope diameter x length
mm(in)
3.0 x 830 (0.12 x 32.7)
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.)
0.41 (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.)
0.24 (8.1)
Sprocket
Type
Spur
Number of teeth
7
Pitch
in
0.325
Cutting devices
Guide bar
Type
33RD58-325
38RD58-325
43RD58-325
Called length
cm
33
38
43
Gauge
in
0.058
Saw chain
Number of drive links
56
64
72
Pitch
in
0.325
Gauge
in
0.058
* Without guide bar and saw chain.
** Primer is installed on switch bracket since serial number 36008701 on CS-3700ES.
