| Year | 2003 |
| Bore x Stroke | 89 x 72 mm |
| Capacity | 447.9 cc / 27.42 cu-in |
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Compression Ratio | 11.9:1 |
| Dry Weight | 113.5 kg / 250.2 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Final Drive | Chain |
| Front Brakes | Single 260mm disc |
| Front Suspension | WP 48 mm upside-down fork |
| Front Tyre | 90/90 - 21 |
| Front Wheel Travel | 300 mm / 11.8 in |
| Fuel Capacity | 9.0 Litres / 2.4 US gal / 2.0 Imp gal |
| Ground Clearance | 380 mm / 15.0 in |
| Ignition | Kokusan digital |
| Induction | Keihin MX FCR 39 carburetor |
| Lubrication | Pressure lubrication with 3 Eaton pumps |
| Overview | -USA |
| Rear Brakes | Single 220mm disc |
| Rear Suspension | WP-PDS shock absorber |
| Rear Tyre | 140/80 - 18 |
| Rear Wheel Travel | 335 mm / 13.2 in |
| Seat Height | 970 mm / 38.7 in |
| Starting | Electric & kick |
| Transmission | 6 Speed |
| Wheelbase | 1481 mm / 58.3 in |
