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Model: 660

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
600115, serial prefix 10, 11 gear ratio 2:1
600120, serial prefix 10, 11, 12, 13 gear ratio 3:1
YEAR INTRODUCED:
May 1967
YEAR DISCONTINUED:
June 1975
ENGINE DISPLACEMENT:
5.3 cu. in. (87cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in.
PISTON STROKE:
1.50 in.
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Piston ported and reed valves
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
23-1/2 lbs. (10.66 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction 3:1 ratio
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
McCulloch
CARBURETOR:
McCulloch
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Automatic rewind on left side
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
0.019 in. (0.48 mm) to 0.020 in. (0.5 mm)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Champion J8J, Autolite A7X, AC M45
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
2.6 U.S. Fl oz.
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade 72 to 83
MIX OIL SPECIFICATION:
McCulloch chain saw mix oil
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
McCulloch
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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