Comparison of Yamaha YZ250 2008 and Yamaha YZ 250 F 2006 [S]ave
| Attribute |  Yamaha YZ250 2008 × |  Yamaha YZ 250 F 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2006 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YZ250 | Yamaha YZ 250 F |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | V2, four-stroke |
| Fuel system | - | Carburettor. Keihin FCR37H |
| Displacement (cm³) | 249 | 249 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66.4 | 77 |
| Stroke (mm) | 72 | 53.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | CDI | CDI |
| Clutch | - | Wet, multiple-disc |
| Lubrication system | - | Dry sump |
| Compression | 9.2:1 | 12.5:1 |
| Chassis | ||
| Front suspension | Speed-Sensitive System inverted fork | Upside-down telescopic fork |
| Rear suspension | Fully adjustable single shock, 12.4-in travel | Swing arm (link-type monocross) |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 245 |
| Front tyre | 80/80-M21 | 80/90-R21 |
| Rear tyre | 110/90-M19 | 100/90-19 |
| Front wheel travel (mm) | 300 | 300 |
| Rear wheel travel (mm) | - | 125 |
| Rake (fork angle) (degree) | 26 | - |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,473 |
| Dry weight (kg) | 96 | 93 |
| Overall height (mm) | 1,306 | 1,294 |
| Overall length (mm) | 2,177 | 2,170 |
| Overall width (mm) | 828 | 815 |
| Seat height (mm) | 993 | 994 |
| Ground clearance (mm) | 381 | 371 |
| Performance | ||
| Fuel capacity (l) | 7.94 | 7 |
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