| Year | 1984 |
| Bore x Stroke | 55 x 42 mm |
| Capacity | 399 cc / 24.3 cu-in |
| Clutch | Multiple plate coil springs |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid cooled |
| Dimensions | Length 2060 mm / 81.1 in Width 750 mm / 29.5 in Height 1160 mm / 45.7 in |
| Dry Weight | 175 kg / 381.4 lbs |
| EngineMotorcycle rental | Four stroke, V-four |
| Final Drive | Chain |
| Frame | Double cradle |
| Front Brakes | 2x discs |
| Front Suspension | Telescopic, cylindrical air cushion combined use |
| Front Tyre | 100/90-16 |
| Fuel Capacity | 17 Litres / 4.5 US gal |
| Gear Ratio | 1st 2.733, 2nd 1.850, 3th 1.478, 4th 1.240, 5th 1.074, 6th 0.931 |
| Ground Clearance | 160 mm / 6.3 in |
| Ignition | CDI, Full transistor |
| Induction | VD40 |
| Max Power | 55.5 hp / 40.5 kW @ 12500 rpm |
| Max Torque | 35.5 Nm / 26.8 ft-lb @ 10500 rpm |
| Rake | 26° |
| Rear Brakes | Single disc |
| Rear Suspension | Swing arm, cylindrical air cushion combined use |
| Rear Tyre | 110/90-18 |
| Seat Heigh | 780 mm / 30.7 in |
| Starting | Electric |
| Trail | 91 mm / 3.6 in |
| Transmission | 6 Speed |
| Wheelbase | 1415 mm / 55.7 in |
