| Attribute | Yamaha WR 250 F 2005 × | Yamaha YZ 250 F 2002 × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2002 |
| Make | Yamaha | Yamaha |
| Model | Yamaha WR 250 F | Yamaha YZ 250 F |
| Category | Enduro / offroad | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 5 | 5 |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 249 | 249 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 77 | 77 |
| Stroke (mm) | 53.6 | 53.6 |
| Gearbox | 5-speed | - |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Compression | 12.5:1 | 12.5:1 |
| Chassis | ||
| Front suspension | 46mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping | - |
| Rear suspension | Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster | - |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 240 |
| Front tyre | 80/100-21 | 80/100-21 51R |
| Rear tyre | 100/100-18 | 100/90-19 |
| Front wheel travel (mm) | 300 | 300 |
| Rear wheel travel (mm) | 315 | 315 |
| Other | ||
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,476 | 1,475 |
| Dry weight (kg) | - | 96 |
| Overall height (mm) | 1,303 | 1,303 |
| Overall length (mm) | 2,162 | 2,165 |
| Overall width (mm) | 827 | 827 |
| Seat height (mm) | 998 | 998 |
| Ground clearance (mm) | 381 | 382 |
| Performance | ||
| Fuel capacity (l) | 9.84 | - |