| Year | 1989 |
| Bore x Stroke | 56 х 40.4 mm |
| Braking 100 km/h - 0 | 37.9 m / 124.3 ft |
| Braking 60 km/h - 0 | 13.8 m / 45.3 ft |
| Capacity | 398 cc / 24.3 cu in |
| Compression Ratio | 11.8:1 |
| Consumption Average | 5.9 L/100 km / 17.0 km/l / 40 US mpg / 48 Imp mpg |
| Cooling System | Liquid cooled |
| Dimensions | Length: 2055 mm / 80.9 in Width: 705 mm / 27.8 in Height: 1060 mm / 41.7 in |
| Dry Weight | 172 kg / 379 lbs |
| Engine | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Final Drive | Chain |
| Front Wheel Travel | 120 mm / 4.7 in |
| Front Brakes | Single 310mm disc, 2 piston caliper |
| Front Suspension | 41mm Kayaba, telescopic, coil spring, oil-damped |
| Front Tyre | 110/70-17 |
| Fuel Capacity | 16 Litres / 4.2 US gal / 3.5 Imp gal |
| Ignition | Transistorized |
| Induction | 4 x Mikuni BST32 carburetors |
| Max Power | 44 kW / 59 hp @ 12000 rpm (at rear tyre 36.3kW / 48.7 hp @ 10750 rpm ) |
| Max Torque | 38 Nm / 3.9 kgf-m / 28.2 lb-ft @ 10500 rpm |
| Rear Wheel Travel | 120 mm / 4.7 in |
| Rear Brakes | Single 260mm disc, 2 piston caliper |
| Rear Suspension | Preload adjustable Kayaba monoshock |
| Rear Tyre | 150/70-17 |
| Standing ¼ Mile | 12.9 sec / 161.3 km/h / 100 mph |
| Starting | Electric |
| Top Speed | 185.1 km/h / 115 mph |
| Transmission | 6 Speed |
| Wet Weight | 184 kg / 406 lbs |
| Wheelbase | 1430 mm / 56.3 in |
