| Year | 1925 |
| Capacity | 247 cc / 15.1 cu in. |
| Clutch | Single plate, dry |
| Compression Ratio | 6.0:1 |
| Cooling System | Air cooled |
| Engine | Four stroke, single cylinder vertical, OHV |
| Final Drive | Shaft |
| Frame | Twin loop tubular frame |
| Front Brakes | Internal shoe drum brake ∅150 mm / ∅5.90 in diameter |
| Front Suspension | Plate spring, 4 laminae |
| Front Tyre | 27 x 3.5" balloon or with 26 x 3.0" high pressure tyres |
| Fuel Capacity | 10 liters / 2.6 US gal |
| Ignition | Bosch magneto generator type G 1.8V/15W |
| Induction | 1 x BMW Spezial ∅20 mm |
| Max Power | 4.8 kW / 6.5 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" balloon or with 26 x 3.0" high pressure tyres |
| Starting | Kick |
| Transmission | 3 Speed |
| Wet-Weight | 110 kg / 242 lbs |
