MODEL: C40
MANUFACTURED BY: BARKER SAW CO. SPRINGFIELD, MISSOURI, U.S.A.
YEAR INTRODUCED: 1959 YEAR DISCONTINUED: 1961 ENGINE DISPLACEMENT: 4.7 cu. in. (77 cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 2.0 in. (50.8 mm) PISTON STROKE: 1.5 in. (38 mm) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Reed valves MANUFACTURER ADVERTISED H.P.: 3.5 WEIGHT: 23 lbs. (10.4 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 CARBURETOR: Tillotson HL series MAJOR REPAIR KIT: MINOR REPAIR KIT: AIR FILTER SYSTEM: Wire screen STARTER TYPE: Fairbanks Morse automatic rewind OIL PUMP: Manual MAXIMUM ENGINE RPM: 4,500 IDLE RPM: IGNITION TIMING: 0.175 in. (4.4 mm) before TDC BREAKER POINT SETTING: 0.020 in. (0.51 mm) FLYWHEEL/COIL AIR GAP: Position is 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 grade 72 to 83 MIX OIL SPECIFICATION: Two-cycle mix oil CHAIN PITCH: 7/16 in. CHAIN TYPE: Atkins # 763 BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 16 in. (40 cm) LONGEST GUIDE BAR SUPPLIED: 20 in. (50 cm)