| Year | 1981 |
| Bore x Stroke | 69 х 56.4mm |
| Capacity | 843 cc / 51.4 cu in |
| Compression Ratio | 8.8:1 |
| Consumption Average | 5.5 L/100 km / 18.3 km/l / 43 US mpg / 51.6 Imp mpg |
| Cooling System | Air cooled |
| Dimensions | Length: 2235 mm / 88.0 in Width: 735 mm / 28.9 in Height: 1145 mm / 45.1 in |
| Engine | Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder. |
| Final Drive | Shaft |
| Front Brakes | 2 x 275mm Discs |
| Front Suspension | Telescopic forks, 3-way adjustable spring preload |
| Front Tyre | 3.50-19 |
| Fuel Capacity | 22 Litres / 5.8 US gal / 4.8 Imp gal |
| Ground Clearance | 160 mm / 6.3 in |
| Ignition | Transistorized |
| Induction | 4 x mm Mikuni carburetors |
| Max Power | 57.1 kW / 77.6 hp @ 9.000 rpm |
| Max Torque | 65 Nm / 6.6 kgf-m 47.9 lb-ft @ 7.500 rpm |
| Rear Brakes | Single 275mm disc |
| Rear Suspension | Dual shocks, 2-way preload and 4-way damping adjustments |
| Rear Tyre | 4.50-17 |
| Seat Height | 785 mm / 30.9 in |
| Starting | Electric & kick |
| Top Speed | 191 km/h / 119 mph |
| Transmission | 5 Speed |
| Wet Weight | 253 kg / 557 lbs |
