| MANUFACTURED BY: |  | McCULLOCH MOTORS CORP. | 
|  |  | LOS ANGELES, CALIFORNIA, U.S.A. | 
| SERIES OR ASSEMBLY NUMBER: |  | 600430 | 
| SERIAL NUMBER PREFIX:  |  | 12- | 
| YEAR INTRODUCED: |  | September 1969 | 
| YEAR DISCONTINUED: |  | April 1971 | 
| ENGINE DISPLACEMENT: |  | 3.3 cu. in. (54ccm) | 
| NUMBER OF CYLINDERS: |  | 1 | 
| CYLINDER BORE: |  | 1.750 in. (44.4 mm) | 
| PISTON STROKE: |  | 1.375 in. (34.92 mm) | 
| PISTON RING THICKNESS:  |  |  | 
| CYLINDER TYPE: |  | Aluminum with cast iron sleeve | 
| INTAKE METHOD: |  | Piston ported | 
| MANUFACTURER ADVERTISED H.P.: |  | not advertised | 
| WEIGHT: |  | 15.6 lbs. (7.1 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: |  | McCulloch flywheel breaker point system | 
| CARBURETOR: |  | Walbro SDC type | 
| MAJOR REPAIR KIT: |  | K10-SDC | 
| MINOR REPAIR KIT: |  | D10-SDC | 
| AIR FILTER SYSTEM: |  | Flocked wire screen element | 
| STARTER TYPE: |  | McCulloch automatic rewind on right side | 
| OIL PUMP: |  | Automatic with manual override | 
| MAXIMUM ENGINE RPM: |  |  | 
| IDLE RPM: |  |  | 
| IGNITION TIMING: |  | 26 degrees before TDC | 
| BREAKER POINT SETTING: |  | 0.019 in. (0.48 mm) | 
| FLYWHEEL/COIL AIR GAP: |  | 0.011 to 0.015 in. (0.3 to 0.4 mm) | 
| SPARK PLUG TYPE: |  | AC CS45T, Champion DJ8J | 
| SPARK PLUG GAP: |  | 0.025 in. (0.63 mm) | 
| CRANKSHAFT MAIN BEARINGS: |  | Ball and caged needle roller | 
| FUEL TANK CAPACITY: |  | 1.5 U.S. Pints (791 ml) | 
| FUEL OIL RATIO: |  | 20:1 | 
| RECOMMENDED FUEL OCTANE: |  | Regular | 
| MIX OIL SPECIFICATION: |  | Mcculloch two-cycle chain saw mix oil | 
| CHAIN PITCH: |  | 3/8 in. | 
| CHAIN TYPE: |  | McCulloch | 
| BAR MOUNT PATTERN: |  | 11 link | 
| SHORTEST GUIDE BAR SUPPLIED: |  | 16 in. (40 cm) | 
| LONGEST GUIDE BAR SUPPLIED: |  | 28 in. (71 cm) | 
| COLOUR SCHEME: |  | McCulloch Yellow enamel with Black top cover | 
| PAINT CODES: |  |  | 
| ILLUSTRATED PARTS LIST: |  | 83065, micro fiche card 22 | 
| SERVICE MANUAL: |  | 63084, micro fiche card 34 |