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Model: BIG TIMBER PRO

MANUFACTURED BY:
STRUNK MANUFACTURING CO.
COATESVILLE, PENNSYLVANIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1957
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
5.8 cu. in. (95cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.0625 in. (52.3 mm)
PISTON STROKE:
1.750 in. (44.4 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
5-1/2
WEIGHT:
29 lbs. (13.1 lbs.) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Wico
CARBURETOR:
Tillotson HP series
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Skinner ribbon element
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Automatic
MAXIMUM ENGINE RPM:
6,000
IDLE RPM:
IGNITION TIMING:
0.15625 in. (3.96 mm) before TDC
BREAKER POINT SETTING:
0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion H8J
SPARK PLUG GAP:
0.030 in. (0.76 mm)
CRANKSHAFT MAIN BEARINGS:
Ball and caged needle roller
FUEL TANK CAPACITY:
64 fl. oz. (1.89 litres)
FUEL OIL RATIO:
1/2 pint to 1 gallon = 16:1
RECOMMENDED FUEL OCTANE:
Regular grade 72 to 83
MIX OIL SPECIFICATION:
SAE 30 non-detergent
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
30 in. (76 cm)
COLOUR SCHEME:
Red enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Used West Bend engine



 

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