| Year | 2003 |
| Bore x Stroke | 66.4 x 72.0 mm |
| Capacity | 249 cc / 15.2 cu in |
| Clutch | Wet, multiplate, hydraulically operated |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 102.5 kg / 226 lbs |
| Engine | Two stroke, single cylinder |
| Final Drive | Chain, 5/8 x 1/4 in |
| Frame | Chromium molybdenum |
| Front Wheel Travel | 280 mm / 11.0 in |
| Front Brakes | Single 260 mm disc, floating caliper |
| Front Suspension | WP Extreme Ø 50 mm upsidedown fork |
| Front Tyre | 90/90 - 21 54R |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Ground Clearance | 385 mm / 15 in |
| Ignition | Kokusan digital 2K-3 |
| Induction | Keihin PWK 36 S AG Carburettor |
| Lubrication | Mixture oil lubrication 1:60 |
| Rake | 26.5° |
| Rear Wheel Travel | 320 mm / 12.6 in |
| Rear Brakes | Single 220 mm disc, floating caliper |
| Rear Suspension | WP Progressive Damping System shock absorber, aluminium swingarm |
| Rear Tyre | 140/80 - 18 70R |
| Seat Height | 925 mm / 36.4 in |
| Starting | Kick |
| Steering Head Angle | 63.5° |
| Trail | 112 mm / 4.1 in |
| Transmission | 5 Speed |
| Wheelbase | 1481 mm / 58.3 in |
