| Year | 1987 |
| Bore x Stroke | 54 x 43.6 mm |
| Braking 60 - 0 / 100 - 0 | 14.0 m / 42.3 m |
| Capacity | 399 cc / 24.3 cu-in |
| Clutch | Wet multiple plates |
| Compression Ratio | 11.5:1 |
| Consumption Average | 21.6 km/lit |
| Cooling System | Liquid cooled |
| Dry Weight | 157 kg / 346 lbs |
| Engine | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Final Drive | Chain |
| Frame | Aluminium delta box |
| Front Brakes | 2x discs 2 piston caliper |
| Front Suspension | Uprighting telescopic |
| Front Tyre | 110/70 R-17 |
| Fuel Capacity | 18 Litres / 4.75 gal |
| Gear Ratio | 1st 3.307 2nd 2.222 3rd 1.714 4th 1.434 5th 1.272 6th 1.173 |
| Ignition | Analogue CDI (Capacitive Discharge Ign.) |
| Induction | Carburetor |
| Lubrication | Wet sump |
| Max Power | 50 hp @ 11500 rpm ) |
| Max Torque | 3.7 kgf-m @ 10000 rpm |
| Rear Brakes | Single disc2 piston caliper |
| Rear Suspension | Aluminium swing arm |
| Rear Tyre | 140/60 R-18 |
| Seat Height | 785mm / 30.9 in |
| Spark Plug | NGK, CR8E |
| Standing ¼ Mile | 12.9 sec / 162. km/h |
| Starting | Electric |
| Top Speed | 197.5 km/h |
| Transmission | 6 Speed |
