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Model: 1-81HD

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
none
YEAR INTRODUCED:
1960
YEAR DISCONTINUED:
1961
ENGINE DISPLACEMENT:
5.3 cu. in. (87cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in. (54mm)
PISTON STROKE:
1.500 in. (38mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves with third port induction system
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
24 lbs. (10.8 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Die cast magnesium/aluminum alloy
MAGNETO TYPE:
McCulloch
CARBURETOR:
McCulloch
MAJOR REPAIR KIT:
n/a
MINOR REPAIR KIT:
n/a
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
McCulloch
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.018 in. (0.45mm) located under flywheel
FLYWHEEL/COIL AIR GAP:
0.010 in. (0.25 mm)
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
0.025 in. (0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
51 fl. oz. (1508 ml)
FUEL OIL RATIO:
20:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
McCulloch two-cycle chain saw mix
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
McCulloch
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
18 in. (45cm)
LONGEST GUIDE BAR SUPPLIED:
36 in. (91cm)
COLOUR SCHEME:
McCulloch Yellow enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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