A single cylinder water-cooled four stroke engine, with overhead valves actuated by pushrods.
Of vintage appearance and proportions, the engine turns over freely with good compression.
| length/inches | 4 |
| width/inches | 6 1/2 |
| height/inches | 8 1/2 |
| weight/kg | 2 1/2 |
| wheel material | cast iron flywheel, 4 inch diameter |