MANUFACTURED BY: PM (Power Machinery Ltd.) VANCOUVER, BRITISH COLUMBIA, CANADA SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1968 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 4.2 cu. in. (69cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 2.0625 in. PISTON STROKE: 1.250 in. CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: not advertised WEIGHT : 13 lbs. (5.8 kg) powerhead only OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Sand cast magnesium MAGNETO TYPE: Phelon F4800 series CARBURETOR: Tillotson HS series MAJOR REPAIR KIT: RK-23HS MINOR REPAIR KIT: DG-5HS/T AIR FILTER SYSTEM: Flocked wire screen element STARTER TYPE: Fairbanks Morse automatic rewind OIL PUMP: Automatic with manual assist OPERATING RPM: IGNITION TIMING: Fixed BREAKER POINT SETTING: 0.015 in. (0.38 mm) FLYWHEEL/COIL AIR GAP: Position is fixed SPARK PLUG TYPE: Champion J6J SPARK PLUG GAP: 0.025 in. (0.63mm) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 1.55 Imp. Pints (880ml) FUEL OIL RATIO: 16:1 RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Two-stroke chain saw mix oil CHAIN PITCH: 3/8 in., .058 in. bar groove CHAIN TYPE: Oregon BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 12 in. (30cm) LONGEST GUIDE BAR SUPPLIED: 24 in. (61cm) COLOUR SCHEME: Cream enamel