| MODEL | HERCULES 322 1956 |
| Year | 1956 |
| Engine Type | Twin, two-stroke |
| Displacement / Capacity | 246 cc / 15.0 cu in |
| Bore X Stroke | 52 x 58 mm / 2.0 x 2.3 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 11.0 kW / 15.1 hp @ 5000 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor, Bing 24 mm |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic |
| Rear Suspension | Swingarm |
| Front Brakes | Drum brake (expanding) |
| Rear Brakes | Drum brake (expanding) |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 159 kg / 350.5 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | 120 km/h / 74.6 mph |
The 322 is the swingarm-framed 246 cc air-cooled two-stroke twin in the Hercules range, giving roughly 15 hp and a claimed 120 km/h. The rear swingarm marks it out from the earlier rigid-framed 318.
