| Year | 2005 |
| Bore x Stroke | 81 x 63mm |
| Capacity | 649 cc / 39.6 cu-in |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Dimensions | Length 2451 mm / 96.5 in Width 930 mm / 36.6 in Height 1105 mm / 43.5 in |
| Dry Weight | 225 kg / 495 lbs |
| Engine | Four stroke, 70°V-twin cylinder, SOHC |
| Final Drive | Shaft |
| Front Brakes | Single 298mm disc |
| Front Suspension | 41mm forks |
| Front Tyre | 130/90-16 |
| Front Wheel Travel | 140 mm / 5.5 in |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Ignition | Digital TCI |
| Induction | 2x 28mm Mikuni BDS28 CV carburetors |
| Max Power | 40 hp / 29.2 kW @ 6500 rpm |
| Max Torque | 50.9 Nm / 37.5 lb-ft @ 3000 rpm |
| Rear Brakes | 200mm Drum |
| Rear Suspension | Adjustable link Monocross |
| Rear Tyre | 170/80-15 |
| Rear Wheel Travel | 99 mm / 3.9 in |
| Seat Height | 710 mm / 28 in |
| Starting | Electric |
| Transmission | 5 Speed |
| Wet Weight | 247 kg / 543.4 lbs |
| Wheelbase | 1626 mm / 64.0 in |
