| Year | 1998 |
| Bore x Stroke | 68 х 55 mm |
| Capacity | 399 cc / 24.4 cu-in |
| Compression Ratio | 9.7:1 |
| Cooling System | Air cooled |
| Dimensions | Height 1095 mm / 43.1 in Length 2340 mm / 92.1 in width 895 mm / 35.2 in |
| Dry Weight | 204 kg / 449.9 lbs |
| Engine | Four stroke, 75°V-twin cylinder, SOHC, 2 valve per cylinder |
| Final Drive | Shaft |
| Front Brakes | Single 298mm disc 2 piston caliper |
| Front Suspension | Telescopic fork |
| Front Tyre | 100/90-16 |
| Front Wheel Travel | 140 mm / 5.5 in |
| Fuel Capacity | 15 Litres / 3.9 US gal |
| Ground Clearance | 145 mm / 5.7 in |
| Ignition | Digital TCI |
| Induction | 2x BDS28 carburetor |
| Max power | 33 hp / 23.5 kW @ 7500 rpm |
| Max Torque | 32 Nm / 23.6 lb-ft @ 6000 rpm |
| Rear Brakes | 200mm Drum |
| Rear Suspension | Swingarm Monocross |
| Rear Tyre | 170/80-15 |
| Rear Wheel Travel | 86 mm / 3.4 in |
| Seat Height | 660 mm / 26.0 in |
| Starting | Electric |
| Transmission | 5 Speed |
| Wheelbase | 1610 mm / 63.4 in |
