Attribute | ![]() Yamaha YZ250 2012 × | ![]() Suzuki RM250 2011 × |
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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 |