| Year | 1955 |
| Bore x Stroke | 72 x 73 mm |
| Capacity | 594 cc / 36.2 cu in |
| Clutch | Single plate, dry |
| Compression Ratio | 6.2:1 |
| 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 4.0 / 2nd 2.28 / 3rd 1.7 / 4th 1.3 |
| Ignition | Magneto ignition |
| Induction | 2 x Bing 1/24/25 - 1/24/26 carburetors |
| Max Power | 20.9 kW / 28 hp @ 5600 rpm |
| Rear Brakes | ∅200mm Drum simplex full hub |
| Rear Suspension | Spring with coil compression springs and rubber deflection stops |
| Rear Tyre | 3.50 -19" (sidecar, rear 4.00 x 18") |
| Starting | Kick |
| Transmission | 4 Speed |
| Wet-Weight | 192 kg / 422 lb (with sidecar, 320 kg / 704 lbs) |