MANUFACTURED BY: PIONEER SAWS LTD. PETERBOROUGH, ONTARIO, CANADA SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1969 YEAR DISCONTINUED: 1977 ENGINE DISPLACEMENT: 3.546 cu. in. (58cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 1.8125 (46mm) PISTON STROKE: 1.325 in. (35mm) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Reed valves MANUFACTURER ADVERTISED H.P.: not advertised WEIGHT : 13 lbs. 6 oz. (7.06 kg) powerhead only OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Wico CARBURETOR: Tillotson HS-44A series MAJOR REPAIR KIT: RK-23HS MINOR REPAIR KIT: DG-5HS/T AIR FILTER SYSTEM: Flocked wire screen STARTER TYPE: Pioneer automatic rewind OIL PUMP: Manual OPERATING RPM: 7,000 IGNITION TIMING: 30 degrees before TDC BREAKER POINT SETTING: 0.015 in. (0.38mm) FLYWHEEL/COIL AIR GAP: position is fixed SPARK PLUG TYPE: Champion CJ8 SPARK PLUG GAP: 0.030 in. (0.76mm) CRANKSHAFT MAIN BEARINGS: Caged needle roller (Torrington type) FUEL TANK CAPACITY: 20 fl. oz. (600 ml) FUEL OIL RATIO: 16:1 RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: OMC Two-cycle chain saw mix oil CHAIN PITCH: 3/8 in. CHAIN TYPE: Pioneer BAR MOUNT PATTERN: 01 link SHORTEST GUIDE BAR SUPPLIED: 16 in. (40cm) LONGEST GUIDE BAR SUPPLIED: 20 in. (51cm) COLOUR SCHEME: Pioneer Yellow enamel