| Attribute | Value |
| General |
| Production from | 2019 year |
| Make | Kawasaki |
| Model | Kawasaki KX450 |
| Category | Cross / motocross |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Injection |
| 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 mm |
| Gearbox | 5-speed |
| Greenhouse gases | Add |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Emission details | Add |
| Driveline | Add |
| Ignition | Digital |
| Clutch | Wet multi-disc, manual |
| Lubrication system | Add |
| Compression | 12.5:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Add |
| Rear suspension | Add |
| Front brakes | Single disc. Semi-floating petal discs |
| Rear brakes | Single disc. Single-piston caliper. |
| Diameter | 250 mm |
| Frame type | Perimeter, aluminium |
| Front tyre | 80/100-21 |
| Rear tyre | 120/80-19 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,485 mm |
| Kerb weight | 110 kg |
| Dry weight | Add |
| Power/weight ratio | Add |
| Overall height | 1,275 mm |
| Overall length | 2,185 mm |
| Overall width | 830 mm |
| Seat height | 955 mm |
| Alternate seat height | Add |
| Ground clearance | 340 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 | 6.2 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |