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Model: CS-302

MANUFACTURED BY:
ECHO (KIORITZ CORPORATION)
YOKOSUKA, MORIOKA Japan
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1971
YEAR DISCONTINUED:
1983
ENGINE DISPLACEMENT:
30.1 ccm (1.8 cu. in.)
NUMBER OF CYLINDERS:
Air cooled, two-stroke, single cylinder gasoline engine
CYLINDER BORE:
37 mm (1.46 in.)
PISTON STROKE:
28 mm (1.10 in.)
PISTON RING THICKNESS:
2 rings
CYLINDER TYPE:
Aluminum with Chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
4.5 kg (9.9 lbs.) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none on early version, mechanical on later version
CLUTCH:
Centrifugal, 3 metal shoes
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast Magnesium
MAGNETO TYPE:
Flywheel breaker point type
CARBURETOR:
Tillotson HU-25A
Walbro WA-5
MAJOR REPAIR KIT:
RK-14HU for HU-25A
K10-WAT for WA-5
MINOR REPAIR KIT:
DG-2HU for HU-25A
D10-WAT for WA-5
AIR FILTER SYSTEM:
Cellulose fiber element
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, worm gear driven
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
30 degrees BTDC
BREAKER POINT SETTING:
0.3 to 0.4 mm (0.012 to 0.016 in.)
FLYWHEEL/COIL AIR GAP:
0.30 to 0.40 mm (0.012 to 0.016 in.)
SPARK PLUG TYPE:
NGK BM6A
SPARK PLUG GAP:
0.63 mm (0.025 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
330 ml (11 fl. oz.)
FUEL OIL RATIO:
20:1
RECOMMENDED FUEL OCTANE:
87 Automotive. ASPEN2 pre-mixed Alkylate fuel is best
at 93 octane, no ethanol and long shelf life
MIX OIL SPECIFICATION:
ECHO two cycle. ISO-L-EDG. Jaso M345/FC, FD
ASPEN Synthetic mix oil is best
CHAIN PITCH:
1/4 in.
CHAIN TYPE:
Oregon 25AP
BAR MOUNT PATTERN:
03 link
SHORTEST GUIDE BAR SUPPLIED:
30 cm (12 in.)
LONGEST GUIDE BAR SUPPLIED:
40 cm (16 in.)
COLOUR SCHEME:
Orange enamel with black
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:

Colour photographs courtesy George Blake collection

CS302 equipped with Hedge Trimmer attachment, unit in SON RANCH LOGGING MUSEUM

 

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