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Model: 20MCS

MANUFACTURED BY:
HOMELITE CORPORATION
PORT CHESTER, NEW YORK, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1950
YEAR DISCONTINUED:
1952
ENGINE DISPLACEMENT:
6.6 cu. in. (108 ccm)
NUMBER OF CYLINDERS:
Homelite Two-Cycle single cylinder loop scavenged engine
CYLINDER BORE:
2.375 in. (60 mm)
PISTON STROKE:
1.50 in. (38 mm)
PISTON RING THICKNESS:
0.125 in. 3 rings used, pn 71159
CYLINDER TYPE:
Aluminum with Chrome plated bore
INTAKE METHOD:
Rotary valve
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Belt Drive (reduction)
CONSTRUCTION:
Sand cast Magnesium
MAGNETO TYPE:
Phelon flywheel magneto with breaker points
CARBURETOR:
Tillotson MD series float type
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Skinner ribbon filter element
STARTER TYPE:
Homelite ball drive automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
Goverened at 4,000 to 4,200
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
0.020 in. (0.51mm)
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion HO-8A or J6
SPARK PLUG GAP:
0.025 in. (0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1/2 pint to 1 gallon
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 30 engine oil
CHAIN PITCH:
9/16 in.
CHAIN TYPE:
Oregon 4C, 4L
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
20 in. (51cm)
LONGEST GUIDE BAR SUPPLIED:
32 in. (81cm)
COLOUR SCHEME:
Homelite Red with Black fan housing
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
First production Homelite Gasoline model chainsaw



above photo courtesy Mike Van Yahres


 

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