MANUFACTURED BY:
CRAFTSMAN (SEARS ROEBUCK & CO.)
CHICAGO, IL U.S.A.
SERIES OR ASSEMBLY NUMBER:
917.60008
YEAR INTRODUCED:
1956
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
4.7 cu. in. (77cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.0 in. (50.8 mm)
PISTON STROKE:
1.5 in. (38 mm)
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
4
WEIGHT :
23 lbs. powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Phelon F-2120H
CARBURETOR:
Tillotson HL-35A
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
DG-1HL
AIR FILTER SYSTEM:
Skinner ribbon filter element
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Manual
OPERATING RPM:
4,000
IGNITION TIMING:
0.175 in. (4.44 mm) before TDC
BREAKER POINT SETTING:
0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
fixed
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:
54 oz. (1.6 Litres)
FUEL OIL RATIO:
1/2 pint to 1 gallon = 16:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 30 non-detergent
CHAIN PITCH:
7/16 in.
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
20 in. (50 cm)
COLOUR SCHEME:
Metallic grey enamel