Echo CS-4200ES - Manual (Page 2)

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.