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Model: 645M

MANUFACTURED BY:
HOFFCO INC.
RICHMOND, INDIANA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1958
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
6.45 cu. in. (105.6 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
PISTON STROKE:
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
26 lbs. (11.8 kg)
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Sand cast magnesium/aluminum alloy
MAGNETO TYPE:
Wico
CARBURETOR:
Tillotson HL series
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
SPARK PLUG GAP:
CRANKSHAFT MAIN BEARINGS:
FUEL TANK CAPACITY:
FUEL OIL RATIO:
RECOMMENDED FUEL OCTANE:
MIX OIL SPECIFICATION:
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
Oregon 41C or 9C
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Used West Bend type 2725 engine



 

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