| Year | 2005 |
| Battery | 12V 8Ah, maintenance free |
| Bore x Stroke | 89 x 72 mm |
| Capacity | 447.9 cc / 27.42 cu-in |
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Compression Ratio | 11.1:1 |
| Dry Weight | 113.5 kg / 250.2 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Engine Oil Capacity | 1.25 L / 1.3 US qt / 1.1 Imp qt, full synthetic oil (Motorex Power Synt 4T 10W/50) |
| Final Drive | Chain, X ring, 5.8 x 1/4" |
| Final Drive Ratio | 14:52 |
| Frame | Central tube chrome-moly-steel frame |
| Front Brakes | Single 260 mm disc, floating caliper |
| Front Suspension | WP 4860 MA upside-down fork |
| Front Tyre | 90/90 - 21 |
| Front Wheel Travel | 300 mm / 11.8 in |
| Fuel Capacity | 9.0 L / 2.4 US gal / 2.0 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 digital |
| Induction | Keihin MX FCR 39 carburetor |
| Lubrication | Pressure lubrication with 2 rotor pumps |
| Overview | -USA |
| Rear Brakes | Single 220mm disc, floating caliper |
| Rear Suspension | WP-PDS shock absorber, aluminium swingarm |
| Rear Tyre | 140/80 - 18 |
| Rear Wheel Travel | 335 mm / 13.2 in |
| Seat Height | 970 mm / 38.7 in |
| Spark Plug | NGK DCPR 8 E |
| Starting | Electric & kick |
| Transmission | 6 Speed |
| Wheelbase | 1481 mm / 58.3 in |
