| Specification | Details |
|---|---|
| Manufactured by | McCulloch Motors Corp., Los Angeles, California, U.S.A. |
| Year Introduced | June 1956 |
| Year Discontinued | September 1956 |
| Engine Displacement | 3.3 cu. in. (54cc) |
| Number of Cylinders | 1 |
| Cylinder Bore | 1.75 in. (44.4mm) |
| Piston Stroke | 1.375 in. (35mm) |
| Piston Ring Thickness | — |
| Cylinder Type | Aluminum with cast iron liner |
| Intake Method | Reed valve |
| Manufacturer Advertised H.P. | Not advertised |
| Weight | — |
| Operator Configuration | One-man operation |
| Handlebar System | Rigid |
| Chain Brake | None |
| Clutch | Centrifugal |
| Drive Type | Direct |
| Construction | Die-cast magnesium and aluminum alloys |
| Magneto Type | McCulloch |
| Carburetor | McCulloch |
| Major Repair Kit | NLA |
| Minor Repair Kit | NLA |
| Air Filter System | Flocked wire screen |
| Starter Type | McCulloch automatic rewind |
| Oil Pump | Manual |
| Maximum Engine RPM | 6,200 |
| Idle RPM | — |
| Ignition Timing | Fixed |
| Breaker Point Setting | Points just contact with timing pin in timing hole |
| Flywheel/Coil Air Gap | 0.010 in. (0.25mm) |
| Spark Plug Type | Champion J8J |
| Spark Plug Gap | 0.025 in. (0.63mm) |
| Crankshaft Main Bearings | Ball |
| Fuel Tank Capacity | — |
| Fuel Oil Ratio | 1/2 pint oil to 1 gallon of fuel |
| Recommended Fuel Octane | Regular |
| Mix Oil Specification | McCulloch two-cycle chain saw mix |
| Chain Pitch | 7/16 in. (11.112mm) |
| Chain Type | Oregon 61C |
| Bar Mount Pattern | — |
| Shortest Guide Bar Supplied | 16 in. |
| Longest Guide Bar Supplied | — |
| Colour Scheme | McCulloch Yellow |
| Paint Codes | — |
| Illustrated Parts List | 52006 |
| Service Manual | — |
The above video comes from one of our FB followers, Stephen Boricic. The following images are from Griffin Valliere.
