| Attribute | Value |
| General |
| Production from | 2021 year |
| Make | Kawasaki |
| Model | Kawasaki KLX450R |
| Category | Enduro / offroad |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | 4 |
| Fuel system | Carburettor. Keihin FCR MX40 |
| 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 AC-CDI |
| Clutch | Wet multi-disc, manual |
| Lubrication system | Forced lubrication, semi and #8209;dry sump |
| Compression | 12.0:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | 48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping |
| Rear suspension | Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload |
| Front brakes | Double disc. Dual piston |
| Rear brakes | Single disc |
| Diameter | 240 mm |
| Frame type | Perimeter, aluminium |
| Front tyre | 80/100-21 |
| Rear tyre | 120/90-18 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | 305 mm |
| Rear wheel travel | 315 mm |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric & kick |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,480 mm |
| Kerb weight | 126 kg |
| Dry weight | Add |
| Power/weight ratio | Add |
| Overall height | 1,250 mm |
| Overall length | 2,220 mm |
| Overall width | 860 mm |
| Seat height | 935 mm |
| Alternate seat height | Add |
| Ground clearance | 315 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 | 8 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |