| Attribute | Yamaha YZ250 2012 × | Suzuki RM250 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2011 |
| Make | Yamaha | Suzuki |
| Model | Yamaha YZ250 | Suzuki RM250 |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor. Keihin PWK38S | - |
| Engine details | Reed-valve inducted | - |
| Displacement (cm³) | 249 | 249 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 66.4 | 66.4 |
| Stroke (mm) | 72 | 72 |
| Gearbox | 5-speed | 5-speed |
| Driveline | Constant-mesh 5-speed | D.I.D 520DMA2, 114 links |
| Ignition | CDI | Electronic ignition |
| Clutch | Multiplate, wet | - |
| Lubrication system | Wet sump | Fuel/oil premixture of 30 : 1 |
| Compression | 8.9:1 | 8.6:1 |
| Chassis | ||
| Front suspension | Speed-Sensitive System inverted fork | SHOWA inverted 47mm front forks |
| Rear suspension | Fully adjustable single shock | Link type |
| Front brakes | Single disc. Hydraulic | Single disc |
| Rear brakes | Single disc. Hydraulic | Single disc. 2-piston |
| Diameter (mm) | 245 | - |
| Frame type | - | Strong and lightweight frame and easy-to-remove aluminum rear subframe |
| Front tyre | 80/100-21 | 80/100-M21 |
| Rear tyre | 110/90-19 | 110/90-M19 |
| Front wheel travel (mm) | 300 | 310 |
| Rear wheel travel (mm) | 315 | 310 |
| Other | ||
| Starter | - | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,465 |
| Kerb weight (kg) | 103 | 104.5 |
| Overall length (mm) | 2,177 | 2,170 |
| Overall width (mm) | 828 | 830 |
| Seat height (mm) | 993 | 950 |
| Ground clearance (mm) | 381 | 350 |
| Performance | ||
| Fuel capacity (l) | 7.95 | 8 |