| Attribute | Kawasaki KLX 450R 2010 × | Kawasaki KX450F 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2009 |
| Make | Kawasaki | Kawasaki |
| Model | Kawasaki KLX 450R | Kawasaki KX450F |
| Category | Enduro / offroad | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor. Keihin FCR40 | Injection. 43mm Keihin Throttle body |
| Displacement (cm³) | 449 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 96 | 96 |
| Stroke (mm) | 62.1 | 62.1 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital AC-CDI | Digital DC-CDI |
| Compression | 12.0:1 | 12.5:1 |
| Chassis | ||
| Front suspension | 48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping / 12.0 in. | 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. |
| Rear suspension | UNI-TRAK single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping / 12.4 in. | UNI-TRAK® linkage system and Kayaba shock with 22-position low-speed and stepless high-speed compression dampening |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 240 | 240 |
| Frame type | Aluminum, perimeter design | - |
| Front tyre | 80/70-21 | 90/80-21 |
| Rear tyre | 110/70-18 | 120/80-19 |
| Trail (mm) | 122 | 117 |
| Rake (fork angle) (degree) | 27.7 | 26.7 |
| Other | ||
| Starter | Electric & kick | - |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,481 |
| Kerb weight (kg) | 126 | 112.1 |
| Overall height (mm) | 1,255 | 1,280 |
| Overall length (mm) | 2,179 | 2,184 |
| Overall width (mm) | 820 | 820 |
| Seat height (mm) | 940 | 965 |
| Ground clearance (mm) | 320 | 340 |
| Performance | ||
| Fuel capacity (l) | 7.94 | 7 |