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Model: AH81 powerhead

MANUFACTURED BY:
TECUMSEH POWER PRODUCTS
GRAFTON WI. U.S.A.
SERIES OR ASSEMBLY NUMBER:
AH81 powerhead
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
7.98 cu. in. (130.7 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.50 in. (63.5 mm)
PISTON STROKE:
1.625 in. (41.2 mm)
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 Tecumseh type
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
STARTER TYPE:
usually Fairbanks Morse automatic rewind, otherwise Tecumseh type
OIL PUMP:
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
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 many chain saw manufacturers.





 

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