| Year | 1988 |
| Bore x Stroke | 67 x 56.6 mm |
| Capacity | 398 cc / 24.3 cu in |
| Compression Ratio | 9.0:1 |
| Dimensions | Length: 2110 mm / 83.1 in Width: 700 mm / 27.6 in Height: 1145 mm / 45.1 in |
| Dry Weight | 183 kg / 403 lbs |
| Engine | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. |
| Final Drive | Chain |
| Front Brakes | Single disc |
| Front Suspension | Telescopic fork |
| Front Tyre | 3.00-18 |
| Fuel Capacity | 15 Litres / 4.0 US gal / 3.3 Imp gal |
| Induction | 2x Mikuni BS34SS carbs |
| Max Power | 44 kW / 59 hp @ 12000 rpm |
| Max Torque | 38 Nm / 3.9 kgf-m / 28.0 lb-ft @ 10 000 rpm |
| Rear Brakes | Single disc |
| Rear Suspension | Swingarm. mono shock |
| Rear Tyre | 3.75-18 |
| Starting | Electric |
| Transmission | 6 Speed |
| Wheelbase | 1430 mm / 56.3 in |