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Model: 577

MANUFACTURED BY:
SHIN-DAIWA KOGYO LTD.
HIROSHIMA, JAPAN
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
57.3 ccm (3.5 cu. in.)
NUMBER OF CYLINDERS:
1, with 2 ring piston
CYLINDER BORE:
45 mm
PISTON STROKE:
36 mm
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with beaded Chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
4.0
WEIGHT:
5.8 kg (12.8 lbs.) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-Vibration
CHAIN BRAKE:
Mechanical
CLUTCH:
Centrifugal, 3 shoe metal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast Magnesium, injection molded Polymer
MAGNETO TYPE:
Flywheel type CDI electronic
CARBURETOR:
Walbro HDA-132
MAJOR REPAIR KIT:
K23-HDA
MINOR REPAIR KIT:
D20-HDA replaces D14-HDA
AIR FILTER SYSTEM:
Stainless steel mesh element
STARTER TYPE:
Automatic rewind, cord is 4 mm X 95 cm
OIL PUMP:
Clutch driven adjustable piston pump, tank capacity 330 ml
MAXIMUM ENGINE RPM:
12,000 free with bar and chain installed
IDLE RPM:
2,800
IGNITION TIMING:
Fixed 28 degrees BTDC
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.50 to 0.55 mm (0.020 to 0.22 in)
SPARK PLUG TYPE:
Champion CJ6Y, NGK BPM7A
SPARK PLUG GAP:
0.6 mm (0.024 in.)
CRANKSHAFT MAIN BEARINGS:
Ball 6202
FUEL TANK CAPACITY:
770 ml (26 fl. oz.)
FUEL OIL RATIO:
50:1
RECOMMENDED FUEL OCTANE:
Automotive 89 octane. ASPEN2 pre-mixed Alkylate is best
MIX OIL SPECIFICATION:
Shindaiwa premium. ASPEN synthetic is best
CHAIN PITCH:
3/8 in. optional .325 in.
CHAIN TYPE:
Oregon 76SL
BAR MOUNT PATTERN:
17 link
SHORTEST GUIDE BAR SUPPLIED:
40 cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
50 cm (20 in.)
COLOUR SCHEME:
Shindaiwa Red
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Image on right is 577P which is heavy duty air filter.




 

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