| Year | 1956 |
| Bore x Stroke | 72 x 73 mm |
| Capacity | 594 cc / 36.2 cu in. |
| Clutch | Single plate, saucer spring, dry |
| Compression Ratio | 6.5:1 |
| Cooling System | Air cooled |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Final Drive | Shaft |
| Front Brakes | ∅200mm Drum |
| Front Suspension | Telescopic hydraulic forks |
| Front Tyre | 3.50 - S18 |
| Front Wheel Travel | 208 mm / 8.2" |
| Fuel Capacity | 17 liters / 4.49 US gal |
| Gear Ratio | 1st 5.33 / 2nd 3.02 / 3rd 2.04 / 4th 1.54:1 |
| Ignition | Battery ignition |
| Induction | 2 x Type Bing 1/24/151 - 1/24/152 |
| Max Power | 20.9 kW / 28 hp @ 5600 rpm |
| Rear Brakes | ∅200mm Drum |
| Rear Suspension | Long swinging arm with strut. 125mm wheel travel |
| Rear Tyre | 3.50 - S18 |
| Rear Wheel Travel | 125 mm / 4.9" |
| Starting | Kick |
| Transmission | 4 Speed |
| Wet-Weight | 195 kg / 430 lbs |
