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Model: THRIFTY MAC

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1957
YEAR DISCONTINUED:
1958
ENGINE DISPLACEMENT:
3.3 cu. in. (54 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.75 in. (44.4 mm)
PISTON STROKE:
1.375 in. (35 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron liner
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
Not advertised
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
McCulloch flywheel typ
CARBURETOR:
McCulloch diaphragm type
MAJOR REPAIR KIT:
n/a
MINOR REPAIR KIT:
n/a
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
McCulloch 2-pawl automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
6,200
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
Points just contact with timing pin in timing hole
FLYWHEEL/COIL AIR GAP:
0.010 in. (0.25 mm)
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1/2 pint of oil to 1 gallon of fuel
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
McCulloch two-cycle chain saw mix oil
CHAIN PITCH:
7/16 in. (11.112 mm)
CHAIN TYPE:
Oregon 61C
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Mcculloch Yellow enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:

 

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