| Year | 1955 |
| Bore x Stroke | 68 x 68 mm |
| Capacity | 494 cc / 30.1 cu in. |
| Clutch | Single plate saucer spring, dry |
| Compression Ratio | 6.8:1 |
| 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 fork |
| Front Tyre | 3.50 -18" |
| Fuel Capacity | 17 liters / 4.49 US gal |
| Gear Ratio | 1st 5.33 / 2nd 3.02 / 3rd 2.04 / 4th 1.54:1 |
| Ignition | Magneto ignition |
| Induction | 2 x Bing 1/24/45 - 1/24/46 carburetors |
| Max Power | 19.4 kW / 26 hp @ 5800 rpm |
| Rear Brakes | ∅200mm Drum, simplex full hub |
| Rear Suspension | Long swing arm with suspension units and oil pressure shock absorbers |
| Rear Tyre | 3.50 -18" |
| Starting | Kick |
| Transmission | 4 Speed |
| Wet-Weight | 195 kg / 429 lbs |
