| Year | 2002 |
| Bore x Stroke | 89 x 64 mm |
| Capacity | 398 cc / 24.3 cu-in |
| Clutch | Wet, multiplate |
| Compression Ratio | 11.1:1 |
| Cooling System | Liquid cooled |
| Dry Weight | 112 kg / 247 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 valves |
| Engine Oil Capacity | 1.25 Litres / 1.32 US qt / 1.1 Imp qt |
| Exhaust | Twin head pipe, two into one collector, aluminium muffler with Krizman USFS approved spark arrestor |
| Final Drive | Chain, X-ring |
| Final Drive Ratio | 14:50 |
| Frame | Central tube Chrome-Moly main frame, aluminium swingarm |
| Front Brakes | Single 260 mm disc, Brembo double piston floating caliper, sintered pad |
| Front Suspension | WP 43mm upside-down fork |
| Front Tyre | 90/90 - 21, Bridgestone M77 |
| Front Wheel Travel | 295 mm / 11.6 in |
| Fuel Capacity | 8.5 Litres / 2.25 US gal / 1.9 Imp gal |
| Gear Ratios | 1st 14:34 / 2nd 17:31 / 3rd 19:28 / 4th 22:26 / 5th 24:23 / 6th 26:21 |
| Ground Clearance | 380 mm / 15.0 in |
| Ignition | Kokusan contactless DC-CDI ignition with digital advanced system |
| Induction | Keihin MX-FCR 3900D |
| Max Power | 32.1 kW / 44 hp @ 8000 rpm |
| Primary Drive Ratio | 30:81 |
| Rake | 26.5o |
| Rear Brakes | Single 220 mm disc, Brembo single piston floating caliper, organic pads |
| Rear Suspension | Fully adjustable WP PDS shock |
| Rear Tyre | 140/80 - 18, Bridgestone M78 |
| Rear Wheel Travel | 320 mm / 12.6 in |
| Seat Height | 925 mm / 36.4 in |
| Spark Plug | NGK DCPR 8 E |
| Starting | Electric & kick |
| Transmission | 6 Speed |
| Wet Weight | 122 kg / 269.0 lbs |
| Wheelbase | 1481 mm / 58.3 in |
