MANUFACTURED BY: McCULLOCH MOTORS CORP. LOS ANGELES, CALIFORNIA, U.S.A. SERIES OR ASSEMBLY NUMBER: none YEAR INTRODUCED: May 1959 YEAR DISCONTINUED: May 1960 ENGINE DISPLACEMENT: 4.9 cu. in. (80cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 2.125 in. (54mm) PISTON STROKE: 1.375 in. (35mm) CYLINDER TYPE: Aluminum with cast iron sleeve INTAKE METHOD: Reed valves and third port inuection system MANUFACTURER ADVERTISED H.P.: WEIGHT : 20 lbs. OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium/aluminum alloy MAGNETO TYPE: McCulloch CARBURETOR: McCulloch MAJOR REPAIR KIT: n/a MINOR REPAIR KIT: n/a AIR FILTER SYSTEM: Flocked wire screen STARTER TYPE: McCulloch automatic rewind OIL PUMP: Manual OPERATING RPM: IGNITION TIMING: fixed BREAKER POINT SETTING: 0.018 in. (0.45mm) located under flywheel FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Champion J8J SPARK PLUG GAP: .025 in. (0.63mm) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: FUEL OIL RATIO: 20:1 RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: McCulloch two-cycle chain saw mix CHAIN PITCH: .404 in. CHAIN TYPE: McCulloch Pintail BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 12 in. (30cm) LONGEST GUIDE BAR SUPPLIED: 24 in. (61cm) COLOUR SCHEME: McCulloch Yellow enamel