MANUFACTURED BY: McCULLOCH MOTORS CORP. LOS ANGELES, CALIFORNIA, U.S.A. SERIES OR ASSEMBLY NUMBER: 600016 YEAR INTRODUCED: 1977 YEAR DISCONTINUED: 1983 ENGINE DISPLACEMENT: early models 2.1 cu. in. (34.4 cc) late models 2.0 cu. in. (32.8 cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 1.430 in. (36.5 mm) for 2.0 cu. in. PISTON STROKE: 1.201 in. (30.5 mm) for 2.0 cu. in. CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: WEIGHT : 10.1 lbs. (4.6 kg) powerhead only OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: CHAIN BRAKE: CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Injection molded plastic & die cast magnesium MAGNETO TYPE: Solid state CARBURETOR: Walbro MDC 16 or Zama M1-M7 MAJOR REPAIR KIT: MINOR REPAIR KIT: AIR FILTER SYSTEM: Flocked wire screen STARTER TYPE: Automatic rewind OIL PUMP: Automatic with manual override OPERATING RPM: IGNITION TIMING: 26 degrees before TDC BREAKER POINT SETTING: none FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: AC CS45T SPARK PLUG GAP: 0.025 in. (0.63 mm) CRANKSHAFT MAIN BEARINGS: Caged needle roller FUEL TANK CAPACITY: 10.8 oz. (320 ml) FUEL OIL RATIO: 40:1 with McCulloch oil RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: McCulloch two-cycle mix oil CHAIN PITCH: 3/8 in. low profile CHAIN TYPE: McCulloch BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 12 in. (30 cm) LONGEST GUIDE BAR SUPPLIED: 16 in. (40 cm) COLOUR SCHEME: McCulloch Yellow with Black handles, starter and air filter covers