| Year | 1985 |
| Bore x Stroke | 72.5 x 66 mm |
| Capacity | 1089 cc / 66.4 cu-in |
| Compression Ratio | 8.9:1 |
| Cooling System | Air cooled |
| Dry Weight | 244 kg / 538 lbs |
| Engine | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. |
| Final Drive | Chain |
| Front Brakes | 2x 236mm discs 1 piston calipers |
| Front Suspension | 37mm Kayaba hydraulically activated air drive abutments for air pressure |
| Front Tyre | 110/90 V18 |
| Front Wheel Travel | 150 mm / 5.9 in |
| Fuel Capacity | 20 Litres / 5.2 US gal |
| Ignition | Battery powered inductive magnetically triggered. |
| Induction | Digital fuel injection |
| Max Power | 120 hp / 87.6 kW @ 8750 rpm |
| Max Torque | 10.2 kgf-m / 73.7 lb-ft @ 7000 rpm |
| Rear Brakes | Single 236mm disc1 caliper |
| Rear Suspension | Single air assisted shock adjustable for reload damping |
| Rear Tyre | 130/90 V17 |
| Rear Wheel Travel | 109 mm / 4.3 in |
| Road Test | Bike 1983 Cycle Magazine Motosprint 1983 Group test |
| Standing ¼ Mile | 11.0 sec / 123.5 mph |
| Starting | Electric |
| Transmission | 5 Speed |
| Wet Weight | 261 kg / 574.5 lbs |
