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Model: 377

MANUFACTURED BY:
SHIN-DAIWA KOGYO LTD.
HIROSHIMA, JAPAN
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
37.7 ccm (2.3 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
40 mm
PISTON STROKE:
30 mm
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with beaded Chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
2.5
WEIGHT:
4.1 kg (9 lbs.) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Mechanical
CLUTCH:
Centrifugal, metal 3 shoe
DRIVE TYPE:
Direct
CONSTRUCTION:
Injection molded Polymer, die cast Magnseium
MAGNETO TYPE:
Flywheel, Transistor "TCI" type
CARBURETOR:
Walbro WT-384
MAJOR REPAIR KIT:
K20-WAT
MINOR REPAIR KIT:
D20-WAT
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic piston pump, adjustable, tank capacity 250 ml
(8.5 fl. oz.)
MAXIMUM ENGINE RPM:
13,500 no load with bar and chain installed
IDLE RPM:
3,000
IGNITION TIMING:
28 degrees BTDC
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.5 mm (0.020 in.)
SPARK PLUG TYPE:
NGK BPMR7A
SPARK PLUG GAP:
0.6 mm (0.024 in.)
CRANKSHAFT MAIN BEARINGS:
Ball, 6201
FUEL TANK CAPACITY:
400 ml (13.5 oz.)
FUEL OIL RATIO:
50:1
RECOMMENDED FUEL OCTANE:
87 octane unleaded. ASPEN2 pre-mixed Alkylate fuel
is best
MIX OIL SPECIFICATION:
ASPEN synthetic oil is best.
CHAIN PITCH:
.325 in., optional 3/8 in. Low Profile
CHAIN TYPE:
Oregon 33SL
BAR MOUNT PATTERN:
03 link
SHORTEST GUIDE BAR SUPPLIED:
40 cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Shindaiwa Red
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:




 

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