| Year | 1937 |
| Bore x Stroke | 72 x 84 mm |
| Capacity | 342 cc / 20.9 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 | Pressed steel twin loop frame |
| Front Brakes | ∅180mm Drum |
| Front Suspension | Telescopic fork |
| Front Tyre | 3.0 x 19" |
| Fuel Capacity | 12 liters / 3.1 US gal |
| Gear Ratio | 1st 3.4 / 2nd 2.18 / 3rd 1.35 / 4th 1.00:1 |
| Ignition | Bosch magneto ignition |
| Induction | 1 x SUM type C K 9/22 |
| Max Power | 10.4 kW / 14 hp @ 3500 rpm |
| Rear Brakes | ∅180mm Drum |
| Rear Suspension | Rigid, spring loaded saddle |
| Rear Tyre | 3.5 x 19" |
| Starting | Kick |
| Transmission | 4 Speed |
| Wet-Weight | 155 kg / 351 lbs |