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Model: 250

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
none
YEAR INTRODUCED:
1963
YEAR DISCONTINUED:
1967
ENGINE DISPLACEMENT:
4.9 cu. in. (80cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in. (53.9mm)
PISTON STROKE:
1.375 in. (34.9mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valve with third port transfer
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
18 lbs. powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
CHAIN BRAKE:
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
McCulloch, points located under flywheel
CARBURETOR:
Tillotson HL series (some used McCulloch 58856C carb.)
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
McCulloch automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
6,000
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.018 in. (0.45mm)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
0.025 in. (0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
2.5 U.S. Pints
FUEL OIL RATIO:
40:1 with McCulloch two cycle mix oil
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
McCulloch two-cycle Chain saw mix oil
CHAIN PITCH:
.404 in.
CHAIN TYPE:
McCulloch Pintail
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
18 in. (45cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (61cm)
COLOUR SCHEME:
McCulloch Yellow enamel.
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Canadian version of saw illustrated.

Colour photograph of saw in Denis Carrier collection
below Photographs courtesy Al Smith

 

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