| Year | 2003 |
| Bore x Stroke | 102 × 80 mm |
| Capacity | 653.7 cc / 39.9 cu-in |
| Clutch | Wet, multiple discs, cable operated |
| Compression Ratio | 11.5:1 |
| Cooling System | Liquid Cooled |
| Dry Weight | 131 kg / 289 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 valves |
| Final Drive | Chain |
| Frame | Steel, single cradle frame, chormium-molybdenum, powder doated |
| Front Brakes | Single 320 mm disc |
| Front Suspension | 50 mm WP upside-down fork |
| Front Tyre | 120/70 - 17 |
| Front Wheel Travel | 285 mm / 11.3 in |
| Fuel Capacity | 9 L / 2.3 US gal / 2.0 Imp gal |
| Ignition | DC-CDI 4K3 Kokusan contactless |
| Induction | Kehin MX FCR 41 |
| Max Power | 25.3 kW / 32.1 hp @ 6500 rpm |
| Max Torque | 43 Nm / 4.4 kgf-m / 50.9 lb-ft @ 4000 rpm |
| Rear Brakes | Single 220 mm disc |
| Rear Suspension | WP monoshock, swinging arm |
| Rear Tyre | 169/60 - 17 |
| Rear Wheel Travel | 310 mm / 12.2 in |
| Seat height | 910 mm / 35.8 in |
| Starting | Kick & electric |
| Trail | 63 mm / 2.5 in |
| Transmission | 5 Speed |
| Wheel base | 1510 mm / 59.4 in |