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Model: 4-20

MANUFACTURED BY:
HOMELITE-TEXTRON
PORT CHESTER, NEW YORK, USA
SERIES OR ASSEMBLY NUMBER:
Gear Drives
YEAR INTRODUCED:
1957
YEAR DISCONTINUED:
1961
ENGINE DISPLACEMENT:
4.32 cu. in.
NUMBER OF CYLINDERS:
Homelite Two-Cycle single cylinder loop scavenged engine
CYLINDER BORE:
2.00 in. (50.8mm)
PISTON STROKE:
1.375 in. (35mm)
PISTON RING THICKNESS:
0.0625 in. 55038
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Reed valves (4)
MANUFACTURER ADVERTISED H.P.:
4
WEIGHT:
20 lbs. 9 oz. powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Wico or Phelon
CARBURETOR:
Tillotson HL-27B, HL-104A
Brown 5-CS, 1-CP, 6-CP types
MAJOR REPAIR KIT:
RH-88HL for HL-104A
MINOR REPAIR KIT:
DG-2HL for HL-27B, DG-5HL for HL-104A
AIR FILTER SYSTEM:
Skinner ribbon element
STARTER TYPE:
Homelite ball drive automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
6,000 with air vane governor
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.015 in. (0.38mm)
FLYWHEEL/COIL AIR GAP:
fixed
SPARK PLUG TYPE:
Champion HO-8A (can sub J6)
SPARK PLUG GAP:
0.025 in. (0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball and caged roller types
FUEL TANK CAPACITY:
45 ounces (1.33 litres)
FUEL OIL RATIO:
10:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 30 or Homelite chain saw mix oil
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
Oregon 10C or 10L
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
14 in. (35cm)
LONGEST GUIDE BAR SUPPLIED:
38 in. (96cm)
COLOUR SCHEME:
Homelite Red with Green pulley cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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