| Year | 1927 |
| Bore x Stroke | 68 x 68 mm |
| Capacity | 494 cc / 30.1 cu in. |
| Clutch | Single plate saucer spring, dry |
| Compression Ratio | 5.8:1 |
| Cooling System | Air cooled |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated, OHV |
| Final Drive | Shaft |
| Frame | Twin loop steel tubular frame |
| Front Brakes | ∅150mm Drum |
| Front Suspension | Plate spring, 5 laminae |
| Front Tyre | 27 x 3.5" low pressure or 26 x 3.0" high pressure |
| Fuel Capacity | 14 liters / 3.6 US gal |
| Gear Ratio | 1st 2.50 / 2nd 1.50 / 3rd 1.07:1 |
| Ignition | Bosch magneto ignition |
| Induction | 1 x BMW Spezial 2 valve 22 mm carburetor |
| Max Power | 13.2 kW / 18 hp @ 4000 rpm |
| Rear Brakes | External shoe brake at the gearing on Cardan shaft |
| Rear Suspension | Rigid, Spring loaded saddle |
| Rear Tyre | 27 x 3.5" low pressure or 26 x 3.0" high pressure |
| Starting | Kick |
| Transmission | 3 Speed |
| Wet-Weight | 130 kg / 286 lbs |
