| Year | 1951 |
| Bore x Stroke | 72 x 73 mm |
| Capacity | 594 cc / 36.2 cu in |
| Clutch | Single plate, dry |
| Compression Ratio | 5.6:1 |
| Cooling System | Air cooled |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Final Drive | Shaft |
| Frame | Double loop steel tubular frame |
| Front Brakes | ∅200mm Drum duplex full hub |
| Front Suspension | Telescopic front fork with hydraulic damping; plunger type |
| Front Tyre | 3.50 -19" |
| Fuel Capacity | 17 liters / 4.4 US gal |
| Gear Ratio | 1st 3.6 / 2nd 2.28 / 3rd 1.7 / 4th 1.3 |
| Ignition | Magneto ignition |
| Induction | 2 x Bing 1/24/15 - 1/24/16 carburetors |
| Max Power | 25 hp @ 5500 rpm |
| Rear Brakes | ∅200mm Drum simplex full hub |
| Rear Suspension | Spring with coil compression springs and rubber deflection stops |
| Rear Tyre | 3.50 -19" |
| Starting | Kick |
| Transmission | 4 Speed |
| Wet-Weight | 192 kg / 422 lb |
