MANUFACTURED BY:  |   | LANCASTER PUMP & MFG. CO. | 
  |   | LANCASTER, PENNSYLVANIA, U.S.A. | 
SERIES OR ASSEMBLY NUMBER:  |   |  | 
SERIAL NUMBER PREFIX:   |   |  | 
YEAR INTRODUCED:  |   |  | 
YEAR DISCONTINUED:  |   |  | 
ENGINE DISPLACEMENT:  |   | 4.7 cu. in. (77cc) | 
NUMBER OF CYLINDERS:  |   | 1 | 
CYLINDER BORE:  |   | 2.0 in. | 
PISTON STROKE:  |   | 1.50 in. | 
PISTON RING THICKNESS:   |   |  | 
CYLINDER TYPE:  |   | Aluminum with cast iron sleeve | 
INTAKE METHOD:  |   | Reed valves | 
MANUFACTURER ADVERTISED H.P.:  |   | 4 | 
WEIGHT:  |   |  | 
OPERATOR CONFIGURATION:  |   | One Man operation | 
HANDLEBAR SYSTEM:  |   | Rigid | 
CHAIN BRAKE:  |   | none | 
CLUTCH:  |   | Centrifugal | 
DRIVE TYPE:  |   | Direct | 
CONSTRUCTION:  |   | Sand cast magnesium | 
MAGNETO TYPE:  |   | Wico | 
CARBURETOR:  |   | Tillotson HL series | 
MAJOR REPAIR KIT:  |   |  | 
MINOR REPAIR KIT:  |   |  | 
AIR FILTER SYSTEM:  |   |  | 
STARTER TYPE:  |   | Fairbanks Morse automatic rewind | 
OIL PUMP:  |   | Manual | 
MAXIMUM ENGINE RPM:  |   | 4,500 | 
IDLE RPM:  |   |  | 
IGNITION TIMING:  |   | 0.175 in. (4.44 mm) before TDC | 
BREAKER POINT SETTING:  |   | 0.020 in. (0.51 mm) | 
FLYWHEEL/COIL AIR GAP:  |   | fixed | 
SPARK PLUG TYPE:  |   | Champion J8J, Autolite A7X, AC M45 | 
SPARK PLUG GAP:  |   | 0.030 in. (0.76 mm) | 
CRANKSHAFT MAIN BEARINGS:  |   | Ball | 
FUEL TANK CAPACITY:  |   |  | 
FUEL OIL RATIO:  |   | 1/2 pint to 1 gallon - 16:1 | 
RECOMMENDED FUEL OCTANE:  |   | Regular | 
MIX OIL SPECIFICATION:  |   | SAE 30 non-detergent | 
CHAIN PITCH:  |   |  | 
CHAIN TYPE:  |   |  | 
BAR MOUNT PATTERN:  |   |   | 
SHORTEST GUIDE BAR SUPPLIED:  |   |  | 
LONGEST GUIDE BAR SUPPLIED:  |   |  | 
COLOUR SCHEME:  |   |  | 
PAINT CODES:  |   |  | 
ILLUSTRATED PARTS LIST:  |   |   | 
SERVICE MANUAL:  |   |   |