Mobilco Matchless 580 AH 58

Power Products: AH-58 YEAR INTRODUCED:  1962   ENGINE DISPLACEMENT:  5.8 cu. in. (95cc) NUMBER OF CYLINDERS:  1 CYLINDER BORE:  2.09 in. (53mm) PISTON STROKE:  1.680 in. (42.6mm) CYLINDER TYPE:  Aluminum with cast iron sleeve INTAKE METHOD:  Reed valve MANUFACTURER ADVERTISED H.P.:  6 WEIGHT :  19 lbs. powerhead only OPERATOR CONFIGURATION:  One Man operation HANDLEBAR SYSTEM:  Rigid  CLUTCH:  Centrifugal DRIVE TYPE:  Direct CONSTRUCTION:  Sand cast aluminum MAGNETO TYPE:  Phelon CARBURETOR:  Tillotson HL series MAJOR REPAIR KIT:  nla MINOR REPAIR KIT:  DG-1HL STARTER TYPE:  Fairbanks Morse automatic rewind OPERATING RPM:  4,500 IGNITION TIMING:  0.090 to 0.110 in. (2.2 to 2.7 mm) before TDC BREAKER POINT SETTING:  0.020 in. (0.51mm) FLYWHEEL/COIL AIR GAP:  fixed SPARK PLUG TYPE:  Champion J8J, Autolite A7X, AC M45 SPARK PLUG GAP:  0.030 in. (0.76mm) CRANKSHAFT MAIN BEARINGS:  Ball FUEL TANK CAPACITY:   FUEL OIL RATIO:  20:1 RECOMMENDED FUEL OCTANE:  Regular MIX OIL SPECIFICATION:  Two-stroke mix oil