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Model: AH47 powerhead

MANUFACTURED BY:
TECUMSEH POWER PRODUCTS
GRAFTON WI. U.S.A.
SERIES OR ASSEMBLY NUMBER:
AH47 powerhead
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
4.7 cu. in. (77 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.0 in. (50.8 mm)
PISTON STROKE:
1.50 in. (38 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with Cast Iron sleeve
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
OPERATOR CONFIGURATION:
HANDLEBAR SYSTEM:
CHAIN BRAKE:
CLUTCH:
DRIVE TYPE:
CONSTRUCTION:
Aluminum
MAGNETO TYPE:
Tecumseh flywheel type
CARBURETOR:
usually Tillotson diaphragm type, otherwise a Tecumseh type
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
STARTER TYPE:
usually Fairbanks Morse, otherwise a Tecumseh type
OIL PUMP:
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
usually 0.090 in. BTDC but is specific to each engine spec number
BREAKER POINT SETTING:
0.015 in.
FLYWHEEL/COIL AIR GAP:
position is fixed
SPARK PLUG TYPE:
Champion J8J, Autolite A7X, AC M45
SPARK PLUG GAP:
0.030 in.
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
3/4 pint to 1 U.S. gallon
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
SAE 30 two-cycle engine oil
CHAIN PITCH:
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Split crankcase type engine supplied OEM to the following manufacturers starting in the 1950's.
Aircraft Specialties, Barker, Bay State, Bolens, Cobra, Craftsman/David Bradley, Eclipse, Falls, Fleetwood,
Hahn Eclipse, Hoffco, Indian, Lancaster, Lebanon, Lombard,
Mobilco, Monark Silver King, Mono, Montgomery Ward, Propulsion Engines Corp, Ram, Root, Skarie, Strunk, Trams,
Whitehead.



 

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