[1] The engine was produced only until the company went out of business in the early 1990s.

The company was re-formed but the engine remains out of production and unsupported for parts.

The single ignition system uses a coil and points.

Fuel is metered by a single Tillotson butterfly-type carburetor.

Its weight of just 38 lb (17 kg) gives the engine a high power-to-weight ratio.