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Model: 650

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
none
YEAR INTRODUCED:
September 1964
YEAR DISCONTINUED:
September 1966
ENGINE DISPLACEMENT:
5.3 cu. in. (87cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in. (53.9 mm)
PISTON STROKE:
1.50 in. (38 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves plus third port induction
MANUFACTURER ADVERTISED H.P.:
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 magneto
CARBURETOR:
McCulloch
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
McCulloch automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
26 degrees before TDC
BREAKER POINT SETTING:
0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
0.010 in. (0.25 mm)
SPARK PLUG TYPE:
Champion J8J, AC M45
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade 72 to 83
MIX OIL SPECIFICATION:
McCulloch Chain Saw mix oil
CHAIN PITCH:
.404 in.
CHAIN TYPE:
McCulloch
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
18 in. (45 cm)
LONGEST GUIDE BAR SUPPLIED:
36 in. (91 cm)
COLOUR SCHEME:
McCulloch Yellow enamel with Black air filter cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:

Colour photographs supplied by Al Smith

 

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