| Year | 2003 |
| Bore x Stroke | 55 x 42 mm |
| Capacity | 399 cc / 24.3 cu in |
| Clutch | Wet, multi-plate |
| Compression Ratio | 11.3:1 |
| Engine | Liquid cooled, transverse four cylinders, four stroke, |
| Final Drive | Chain |
| Front Brakes | 2x 296mm discs 4 piston calipers |
| Front Suspension | 41mm Telescopic forks |
| Front Tyre | 110/80-18 |
| Fuel Capacity | 18 Litres / 4.0 US gal |
| Ignition | CDI |
| Induction | 4x 32mm carbs |
| Max Power | 53 hp / 38.6 kW @ 10000 rpm |
| Max Torque | 40.1 Nm / 29.5 lb-ft @ 7500 rpm |
| Rear Brakes | Single 240mm disc 2 piston caliper |
| Rear Suspension | Swing arm, Pro-link monoshock |
| Rear Tyre | 140/70-17 |
| Seat Height | 755 mm / 29.7 in |
| Starting | Electric |
| Transmission | 5 Speed |
| Wet Weight | 200 kg / 440 lbs |
| Wheelbase | 1410 mm / 56 in |
