MANUFACTURED BY: |  | LANCASTER PUMP & MFG. CO. |
 |  | LANCASTER, PENNSYLVANIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: |  | |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 1957 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 5.1 cu. in. (83.5 ccm) |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 2.00 in. (50.8mm) |
PISTON STROKE: |  | 1.625 in. (41.27 in.) |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with cast iron liner |
INTAKE METHOD: |  | Reed valves |
MANUFACTURER ADVERTISED H.P.: |  | 2.8 |
WEIGHT: |  | |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Rigid |
CHAIN BRAKE: |  | none |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Gear reduction |
CONSTRUCTION: |  | Sand cast aluminum |
MAGNETO TYPE: |  | Wico |
CARBURETOR: |  | Tillotson HL series |
MAJOR REPAIR KIT: |  | |
MINOR REPAIR KIT: |  | |
AIR FILTER SYSTEM: |  | Skinner ribbon element |
STARTER TYPE: |  | Fairbanks Morse automatic rewind |
OIL PUMP: |  | Manual |
MAXIMUM ENGINE RPM: |  | 4,000 |
IDLE RPM: |  | |
IGNITION TIMING: |  | 0.21875 in. before TDC |
BREAKER POINT SETTING: |  | 0.020 in. (0.5mm) |
FLYWHEEL/COIL AIR GAP: |  | fixed, not adjustable |
SPARK PLUG TYPE: |  | Champion J12J |
SPARK PLUG GAP: |  | .040 in. (0.10mm) |
CRANKSHAFT MAIN BEARINGS: |  | Ball and caged needle roller |
FUEL TANK CAPACITY: |  | |
FUEL OIL RATIO: |  | 1/2 pint to 1 U.S. gallon |
RECOMMENDED FUEL OCTANE: |  | Regular |
MIX OIL SPECIFICATION: |  | Two cycle mix |
CHAIN PITCH: |  | 1/2 in. |
CHAIN TYPE: |  | |
BAR MOUNT PATTERN: |  |  |
SHORTEST GUIDE BAR SUPPLIED: |  | 16 in. (40cm) |
LONGEST GUIDE BAR SUPPLIED: |  | 36 in. (91cm) |
COLOUR SCHEME: |  | |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |