| Year | 1987 |
| Bore x Stroke | 64 x 62 mm |
| Capacity | 389 cc / 23.7 cu-in |
| Compression Ratio | 10.0:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 164 kg / 361.5 lbs |
| Engine | Four stroke, 52°V-Twin cylinder, SOHC, 3 valve per cylinder |
| Final Drive | Chain |
| Frame | Aluminium twin tube diamond as a stressed member |
| Front Brakes | Single 320mm disc |
| Front Suspension | 37mm telescopic fork |
| Front Tyre | 110/80-17 |
| Front Wheel Travel | 130 mm / 5.1 in |
| Fuel Capacity | 19.5 Litres / 5.1 US gal |
| Ignition | Digital transistorized |
| Induction | 2x 31mm Keihin CV carburetors |
| Max Power | 27.2kW / 37 PS @ 8500 rpm |
| Max Torque | 34.5 Nm / 3.5 kgf-m @ 6500 rpm |
| Rear Brakes | Single 208mm disc |
| Rear Suspension | Swingarm |
| Rear Tyre | 150/70-17 |
| Rear Wheel Travel | 120 mm / 4.7 in |
| Starting | Electric |
| Transmission | 5 Speed |
