| Attribute | Yamaha WR 400 F × | Orion FX 250 × |
|---|---|---|
| General | ||
| Production from (year) | 2000 | 2016 |
| Make | Yamaha | Orion |
| Model | Yamaha WR 400 F | Orion FX 250 |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | - | Carburettor |
| Displacement (cm³) | 399 | 250 |
| Power (kw) | 32.8 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | - | 21 |
| Gearbox | 5-speed | 5-speed |
| Ignition | - | CDI |
| Chassis | ||
| Front suspension | - | Inverted front forks |
| Rear suspension | - | Monoshock, adjustable |
| Front brakes | Single disc | Single disc. Hydraulic |
| Rear brakes | Single disc | Single disc. Hydraulic |
| Frame type | - | Twin spar heavy duty steel frame |
| Front tyre | - | 90/90-21 |
| Rear tyre | - | 140/80-18 |
| Other | ||
| Starter | - | Electric & kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,490 | 1,420 |
| Dry weight (kg) | 114 | 125 |
| Power/weight ratio | 0.2877 | - |
| Seat height (mm) | 991 | 930 |
| Performance | ||
| Fuel capacity (l) | 8 | 7 |