| Year | 2011 |
| Bore x Stroke | 96 x 62mm |
| CapacityHonda CRF450X motorcycleEngine performance upgrades | 449 cc / 27.4 cu-in |
| Clutch | Wet, multiple discs, cable operated |
| Compression Ratio | 12.0:1 |
| Cooling System | Liquid cooled |
| Dimensions | Length 2178 mm / 85.7 in Width 821 mm / 32. in Height 1273 mm / 50.1 71 |
| Dry Weight | 113 kg / 249 lbs |
| Engine | Four stroke, single cylinder, DOHC, 4 valves |
| Final Drive | #520 chain; 14T/40T |
| Front Brakes | Single 240mm disc 2 piston caliper |
| Front Suspension | Inverted fully adjustable 47mm Showa cartridge forks, 16-way rebound settings, 16-way compression |
| Front Tyre | 80/100-21 |
| Front Wheel Travel | 315 mm / 12.4 in |
| Fuel Capacity | 7.2 Litres / 1.9 gal |
| Ground Clearance | 346 mm / 13.6 in |
| Ignition | CD with electronic advance and lighting coil |
| Induction | Keihin 40mm flat-slide |
| Lubrication | Wet sump |
| Max Power | 44.8 hp / 33 kW @ 7500 rpm |
| Max Torque | 43 Nm / 4.38 kg-m @ 7000 rpm |
| Rake | 27.35° |
| Rear Brakes | Single 240mm disc |
| Rear Suspension | Pro Link Showa single shock with 312mm of travel 17-way rebound settings, 13 low speed compression settings and 3.5 turns of high speed compression adjustment) |
| Rear Tyre | 110/100-18 |
| Rear Wheel Travel | 315 mm / 12.4 in |
| Seat Height | 963 mm / 37.9 in |
| Starting | Electric & kick |
| Trail | 117 / 4.6 in |
| Transmission | 5 Speed |
| Wet Weight | 118 kg / 260 lbs |
| Wheelbase | 1480 mm / 58.3 in |
