| Year | 1978 |
| Bore x Stroke | 58.5 x 50.6 mm |
| Capacity | 544 cc / 33.1 cu-in |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Dry Weight | 191 kg / 421 lbs |
| Engine | Four stroke, transverse four cylinder, four stroke, SOHC, 2 valves per cylinder. |
| Final Drive | Chain |
| Frame | Double cradle tubular steal |
| Front Brakes | Single 270mm disc |
| Front Suspension | 35mm Telescopic hydraulic forks, |
| Front Tyre | 3.25-19 |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Ignition | Battery, with points |
| Induction | 4x Keihin, Ø 22 mm carburetors |
| Max Power | 50 hp / 36.5 kW @ 8500 rpm |
| Max Torque | 43.1 Nm / 31.8 lb-ft @ 7400 rpm |
| Rake | 64° |
| Rear Brakes | Drum |
| Rear Suspension | Dual shocks, lateral adjustable preload |
| Rear Tyre | 3.75-18 |
| Seat Height | 805 mm / 31.7 in |
| Starting | Electric & kick |
| Trail | 105 mm / 4.1 ub |
| Transmission | 5 Speed |
| Wet Weight | 206.0 kg / 454.2 lbs |
| Wheelbase | 1405 mm / 55.3 in |
