| Year | 1938 |
| Bore x Stroke | 68 x 68 mm |
| Capacity | 494 cc / 30.1 cu in. |
| Clutch | Single plate, dry |
| Compression Ratio | 6.7:1 |
| Cooling System | Air cooled |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Final Drive | Shaft |
| Frame | Closed double loop steel tubular frame |
| Front Brakes | ∅200mm Drum, duplex full hub |
| Front Suspension | Telescopic fork |
| Front Tyre | 3.50 -19" |
| Fuel Capacity | 14 liters / 3.60 US gal |
| Gear Ratio | 1st 3.60 / 2nd 2.28 / 3rd 1.70 / 4th 1.30:1 |
| Ignition | Battery ignition |
| Induction | 2 x Amal 5/423 carburetors |
| Max Power | 18 kW / 24 hp @ 5800 rpm |
| Rear Brakes | ∅200mm Drum, simplex full hub |
| Rear Suspension | Long swing arm with suspension units and oil pressure shock absorbers |
| Rear Tyre | 3.50 -19" |
| Starting | Kick |
| Transmission | 4 Speed |
| Wet-Weight | 182 kg / 400 lbs |
