| MANUFACTURED BY: |  | McCULLOCH MOTORS CORP. | 
|  |  | LOS ANGELES, CALIFORNIA, U.S.A. | 
| SERIES OR ASSEMBLY NUMBER: |  | 600115 | 
| SERIAL NUMBER PREFIX:  |  | 10-, 11- | 
| YEAR INTRODUCED: |  | May 1967 | 
| YEAR DISCONTINUED: |  | June 1975 | 
| ENGINE DISPLACEMENT: |  | 5.3 cu. in. (87ccm) | 
| NUMBER OF CYLINDERS: |  | 1 | 
| CYLINDER BORE: |  | 2.125 in. (53.9 mm) | 
| PISTON STROKE: |  | 1.50 in. (38 mm) | 
| PISTON RING THICKNESS:  |  | 2 rings used | 
| CYLINDER TYPE: |  | Aluminum with cast iron sleeve | 
| INTAKE METHOD: |  | Piston ported and reed valves | 
| MANUFACTURER ADVERTISED H.P.: |  | not advertised | 
| WEIGHT: |  | 23-1/2 lbs. (10.66 kg) powerhead only | 
| OPERATOR CONFIGURATION: |  | One Man operation | 
| HANDLEBAR SYSTEM: |  | Rigid | 
| CHAIN BRAKE: |  | none | 
| CLUTCH: |  | Centrifugal | 
| DRIVE TYPE: |  | Gear reduction2:1 ratio | 
| CONSTRUCTION: |  | Die cast MAGNESIUM | 
| MAGNETO TYPE: |  | McCulloch | 
| CARBURETOR: |  | McCulloch | 
| MAJOR REPAIR KIT: |  | n/a | 
| MINOR REPAIR KIT: |  | n/a | 
| AIR FILTER SYSTEM: |  | Flocked wire screen | 
| STARTER TYPE: |  | Automatic rewind on left side | 
| OIL PUMP: |  | Manual | 
| MAXIMUM ENGINE RPM: |  |  | 
| IDLE RPM: |  |  | 
| IGNITION TIMING: |  |  | 
| BREAKER POINT SETTING: |  | 0.019 in. (0.48 mm) to 0.020 in. (0.5 mm) | 
| FLYWHEEL/COIL AIR GAP: |  | 0.011 to 0.015 in. (0.27 to 0.38 mm) | 
| SPARK PLUG TYPE: |  | Champion J8J, Autolite A7X, AC M45 | 
| SPARK PLUG GAP: |  | 0.025 in. (0.63 mm) | 
| CRANKSHAFT MAIN BEARINGS: |  | Ball | 
| FUEL TANK CAPACITY: |  | 2.6 U.S. Fl oz. | 
| FUEL OIL RATIO: |  | 40:1 | 
| RECOMMENDED FUEL OCTANE: |  | Regular grade 72 to 83 | 
| MIX OIL SPECIFICATION: |  | McCulloch chain saw mix oil | 
| CHAIN PITCH: |  | 1/2 in. | 
| CHAIN TYPE: |  | McCulloch | 
| BAR MOUNT PATTERN: |  |  | 
| SHORTEST GUIDE BAR SUPPLIED: |  | 16 in. (40 cm) | 
| LONGEST GUIDE BAR SUPPLIED: |  |  | 
| COLOUR SCHEME: |  |  | 
| PAINT CODES: |  |  | 
| ILLUSTRATED PARTS LIST: |  | 84381, micro fiche card 12 | 
| SERVICE MANUAL: |  | none |