Comparison of Kawasaki KX 450F 2007 and Yamaha WR 450 F 2007 [S]ave
| Attribute |  Yamaha WR 450 F 2007 × |  Kawasaki KX 450F 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha WR 450 F | Kawasaki KX 450F |
| Category | Enduro / offroad | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | - | Carburettor. Keihin FCR40 |
| Displacement (cm³) | 449 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 95 | 96 |
| Stroke (mm) | 63.4 | 62.1 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | CDI | Multi-map digital CDI with throttle position sensor (K-TRIC) |
| Compression | 12.3:1 | 12.0:1 |
| Chassis | ||
| Front suspension | Telescopic Fork, Coil spring/oil damper, 11.8´ | 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. |
| Rear suspension | Swingarm (link, suspension), Coil spring/gas-oil damper, 12.0´ | UNI-TRAK® linkage system with 22-position low-speed and variable high-speed compression dampening |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 240 |
| Front tyre | 80/80-M21 | 90/90-21 |
| Rear tyre | 110/90-M18 | 120/80-19 |
| Rake (fork angle) (degree) | - | 27.1 |
| Other | ||
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,486 | 1,486 |
| Dry weight (kg) | 112 | 99 |
| Overall height (mm) | 1,295 | 1,280 |
| Overall length (mm) | 2,174 | 2,184 |
| Overall width (mm) | 826 | 820 |
| Seat height (mm) | 978 | 965 |
| Ground clearance (mm) | 366 | 345 |
| Performance | ||
| Fuel capacity (l) | 7.94 | 7.19 |
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