| Attribute | Yamaha YZ250F 2008 × | Yamaha TT-R 250 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2005 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YZ250F | Yamaha TT-R 250 |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 5 |
| Fuel system | - | Carburettor |
| Displacement (cm³) | 250 | 249 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 77 | 73 |
| Stroke (mm) | 53.6 | 59.6 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | CDI | - |
| Compression | 13.5:1 | 10.2:1 |
| Chassis | ||
| Front suspension | Speed-Sensitive System inverted fork | Telescopic fork |
| Rear suspension | Fully adjustable single shock | Single shock, link-type, w/adjustable preload |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 220 |
| Front tyre | 80/80-M21 | 80/100-21 |
| Rear tyre | 100/90-M19 | 100/100-18 |
| Front wheel travel (mm) | 300 | 280 |
| Rear wheel travel (mm) | 305 | 280 |
| Rake (fork angle) (degree) | 26 | - |
| Other | ||
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,468 | 1,405 |
| Dry weight (kg) | 92 | - |
| Overall height (mm) | 1,300 | 1,260 |
| Overall length (mm) | 2,162 | 2,096 |
| Overall width (mm) | 826 | 836 |
| Seat height (mm) | 986 | 914 |
| Ground clearance (mm) | 371 | 305 |
| Performance | ||
| Fuel capacity (l) | 6.81 | 9.46 |