| Attribute | Value |
| General |
| Production from | 2009 year |
| Make | Honda |
| Model | Honda CRF450X |
| Category | Enduro / offroad |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor. 40.0mm Keihin© flat-slide |
| Engine details | Add |
| Displacement | 449 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Chain |
| Torque | Add |
| Bore | 96 mm |
| Stroke | 62.1 mm |
| Gearbox | 5-speed |
| Greenhouse gases | Add |
| Fuel control | Single Overhead Cams (SOHC) |
| Emission details | Add |
| Driveline | Add |
| Ignition | CD |
| Clutch | Add |
| Lubrication system | Add |
| Compression | 12.0:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | 47.0mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability |
| Rear suspension | Pro-Link Showa single-shock with spring preload, 13-position [low-speed] and 3 |
| Front brakes | Double disc |
| Rear brakes | Single disc |
| Diameter | Add |
| Frame type | Add |
| Front tyre | 80/21-21 |
| Rear tyre | 110/18-18 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | 315 mm |
| Rear wheel travel | 315 mm |
| Trail | 115 mm |
| Rake (fork angle) | 27.1 degree |
| Other |
| Battery capacity | Add |
| Starter | Add |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,478 mm |
| Kerb weight | 122 kg |
| Dry weight | Add |
| Power/weight ratio | Add |
| Overall height | Add |
| Overall length | Add |
| Overall width | Add |
| Seat height | 963 mm |
| Alternate seat height | Add |
| Ground clearance | 345 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 7.19 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |