| Attribute | Yamaha YZ250F 2014 × | Yamaha YZ250F 2012 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2012 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YZ250F | Yamaha YZ250F |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 5 |
| Fuel system | Carburettor. Keihin FCR MX39 | Carburettor. Keihin FCR MX39 |
| Engine details | Titanium-valves | Titanium valves |
| Displacement (cm³) | 250 | 250 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 77 | 77 |
| Stroke (mm) | 53.6 | 53.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | CDI | CDI |
| Clutch | - | Multiplate, wet |
| Lubrication system | - | Wet sump |
| Compression | 13.5:1 | 13.5:1 |
| Chassis | ||
| Front suspension | KYB Speed-Sensitive System, inverted fork: fully adjustable, 11.8-in travel | KYB Speed-Sensitive System, inverted fork: fully adjustable, 11.8-in travel |
| Rear suspension | KYB Fully adjustable single shock | KYB Fully adjustable single shock |
| Front brakes | Single disc. Hydraulic disc. Hydraulic disc. | Single disc. Hydraulic |
| Rear brakes | Single disc | Single disc. Hydraulic |
| Diameter (mm) | 245 | 245 |
| Frame type | Aluminum Bilateral Beam frame | - |
| Front tyre | - | 80/100-21 |
| Rear tyre | 100/90-19 | 100/90-19 |
| Rear wheel travel (mm) | 318 | 318 |
| Rake (fork angle) (degree) | 28 | - |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,476 | 1,476 |
| Kerb weight (kg) | 103 | 103 |
| Overall height (mm) | 1,306 | 1,306 |
| Overall length (mm) | 2,169 | 2,169 |
| Overall width (mm) | 826 | 826 |
| Seat height (mm) | 991 | 991 |
| Ground clearance (mm) | 378 | 378 |
| Performance | ||
| Fuel capacity (l) | 6.06 | 6.06 |