| Year | 1981 |
| Bore x Stroke | 72.5 x 66 mm |
| Capacity | 1089 cc / 66.4 cu-in |
| Compression Ratio | 8.9:1 |
| Consumption Average | 38.8 mpg |
| Cooling System | Air cooled |
| Dry Weight | 237.3 kg / 521 lbs |
| Engine | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. |
| Final Drive | Chain |
| Frame | Steel cradle design |
| Front Brakes | 2x 270mm discs 1 piston calipers |
| Front Suspension | Telescopic coil/air spring forks |
| Front Tyre | 3.25-18 |
| Front Wheel Travel | 138 mm / 5.4 in |
| Fuel Capacity | 21.4 Litres / 5.5 US gal |
| Ignition | Electronic, CDI |
| Induction | Bosch electronic fuel injection |
| Max Power | 108 hp / 81 kW @ 8000 rpm |
| Max Torque | 95.1 Nm / 70.2 lb-ft @ 7000 rpm |
| Rear Brakes | Single 270mm disc 1 piston caliper |
| Rear Suspension | Swinging arm with 2 dampers adjustable for preload and damping |
| Rear Tyre | 4.25-18 |
| Rear Wheel Travel | 99 mm / 3.9 in |
| Seat Height | 780 mm / 30.8 in |
| Standing ¼ Mile | 11.5 sec / 118 mph |
| Starting | Electric |
| Top Speed | 137 mph / 220 km/m |
| Transmission | 5 Speed |
| Wet Weight | 255 kg / 562 lbs |
| Wheelbase | 1540 mm / 60.6 in |
