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Model: BUSY BEAVER

MANUFACTURED BY:
STRUNK MANUFACTURING CO.
COATESVILLE, PENNSYLVANIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1956
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
PISTON STROKE:
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
4
WEIGHT:
28 lbs. with 16 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
CHAIN BRAKE:
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction 3:1 ratio
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Wico FW2288 or FW2385
CARBURETOR:
Tillotson HP-12A diaphragm type
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Skinner ribbon element
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Positive gravity feed
MAXIMUM ENGINE RPM:
4,500
IDLE RPM:
IGNITION TIMING:
0.250 in. (6.35 mm) before TDC
BREAKER POINT SETTING:
0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Champion J8J, Autolite A7X, AC M45
SPARK PLUG GAP:
0.030 in. (0.76 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
2 U.S. Quarts = 64 oz.
FUEL OIL RATIO:
1/2 pint to 1 gallon
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 30 motor oil
CHAIN PITCH:
1/2 in., .058 gauge
CHAIN TYPE:
Strunk type B
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (61 cm)
COLOUR SCHEME:
Red enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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