| Year | 2005 |
| Bore x Stroke | 100 x 82 mm |
| Braking 100 km/h - 0 | 41.4 m / 135.8 ft |
| Braking 60 km/h - 0 | 14.7 m / 48.2 ft |
| Capacity | 644 cc / 39.3 cu in |
| Clutch | Wet, cable operated |
| Compression Ratio | 9.5:1 |
| Consumption Average | 5.0 L/100 km / 20.1 km/l / 47.3 US mpg / 56.8 Imp mpg |
| Cooling System | Air/oil cooled |
| Dimensions | Length 2255 mm / 88.8 in Width 865 mm / 34.1 in Height 1195 mm / 47.0 in |
| Dry Weight | 147 kg /324 lbs |
| Engine | Four stroke, single cylinder. SOHC, 4 Valve per cylinder. |
| Final Drive | Chain, 525 links |
| Frame | Steel, single cradle frame |
| Front Brakes | Single 280 mm disc, 2 piston caliper |
| Front Suspension | Telescopic, leading axle, oil damped |
| Front Tyre | 90/90-21 |
| Front Wheel Travel | 259 mm / 10.2 in |
| Fuel Capacity | 13 Liter / US 3.4 gal / 2.9 Imp gal (CA model 12 Liter / 3.2 US gal / 2.6 Imp gal) |
| Ground Clearance | 265mm / 10.4 in |
| Ignition | Electronic Ignition |
| Induction | Mikuni BST40 |
| Lubrication | Wet sump |
| Max Power | 32 kW / 43.5 hp / @ 6400 rpm (at rear tyre 27.9 kW / 37.4 hp @ 6500 rpm) |
| Max Torque | 54 Nm / 5.51 kg-m / 39.8 lb-ft@ 4600 rpm |
| Rear Brakes | Single 230 mm disc, 2 piston caliper |
| Rear Suspension | Link-type, fully adjustable spring preload, gas/oil damped, adjustable compression damping |
| Rear Tyre | 120/90-17 |
| Rear Wheel Travel | 259 mm / 10.2 in |
| Seat Height | 885 mm / 34.8 in. |
| Standing ¼ Mile | 14.1 sec / 142.5 km/h / 88.5 mph |
| Starting | Electric |
| Top Speed | 160.6 km/h / 99.8 mph |
| Transmission | 5 Speed |
| Wet-Weight | 162 kg / 357 lbs |
| Wheelbase | 1490 mm / 58.7 in |
