| Attribute | Value |
| General |
| Production from | 2017 year |
| Make | Kawasaki |
| Model | Kawasaki KX 450F |
| Category | Cross / motocross |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | 4 |
| Fuel system | Injection. 43mm Keihin throttle body |
| 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 | Double Overhead Cams/Twin Cam (DOHC) |
| Emission details | Add |
| Driveline | Add |
| Ignition | Digital DC-CDI |
| Clutch | Wet multi-disc |
| Lubrication system | Forced lubrication, semi and #8209;dry sump |
| Compression | 12.8:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | 49 mm inverted Separate Function front Fork Air - Triple Air Chamber (SFF-Air TAC). Compression damping: 22-way. Rebound damping: 20-way |
| Rear suspension | Uni-Trak. Compression damping: 19-way (low-speed), 4-turns or more (high-speed). Rebound damping: 22-way. Spring preload: Fully adjustable |
| Front brakes | Single disc. Petal disc with 2-piston caliper |
| Rear brakes | Single disc. Petal disc with single-piston caliper |
| Diameter | 240 mm |
| Frame type | Perimeter, aluminium |
| Front tyre | 80/100-21 |
| Rear tyre | 120/80-19 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | 305 mm |
| Rear wheel travel | 305 mm |
| Trail | Add |
| Rake (fork angle) | 26.9 degree |
| Other |
| Battery capacity | Add |
| Starter | Kick |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,495 mm |
| Kerb weight | 108.8 kg |
| Dry weight | Add |
| Power/weight ratio | Add |
| Overall height | 1,280 mm |
| Overall length | 2,195 mm |
| Overall width | 820 mm |
| Seat height | 950 mm |
| Alternate seat height | Add |
| Ground clearance | 335 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 | 6.21 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |