| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Yamaha |
| Model Name | WR250R |
| Year | 2011 |
| Category(class) | Enduro |
| Engine |
|---|
| Engine Capacity (Displacement) | 250 ccm (15.26 cubic inches) |
| Engine Type | Single cylinder, four-stroke |
| Bore x Stroke | Ø77.0 mm x 53.6 mm (Ø3.03 inches x 2.11 inches) |
| Bore/Stroke Ratio | 1.44 |
| Compression Ratio | 11.8:1 |
| Valves per Cylinder | 2 |
| Timing System | DOHC |
| Fuel System(Carburetion) | Injection. Input from a crank sensor, intake air pressure sensor and throttle position sensor feeding a compact ECU to provide optimum combustion. |
| Ignition | Direct ignition coil |
| Lubrication System | Wet sump |
| Cooling System | Liquid |
| Powertrain |
|---|
| Gearbox | 6 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Front Suspension | Inverted fork |
| Front Suspension Travel | 269 mm (10.59 inches) |
| Rear Suspension | Single shock |
| Rear Suspension Travel | 269 mm (10.59 inches) |
| Front Brakes | Single disc |
| Front Brakes Diameter | Ø250 mm (Ø9.84 inches) |
| Rear Brakes | Single disc |
| Rear Brakes Diameter | Ø230 mm (Ø9.06 inches) |
| Front Tire | 80/100-21 |
| Rear Tire | 120/80-18 |
| Dimensions |
|---|
| Overall Length | 2174 mm (85.59 inches) |
| Overall Width | 810 mm (31.89 inches) |
| Overall Height | 1229 mm (48.39 inches) |
| Seat Height | 930 mm (36.61 inches) |
| Wheelbase | 1420 mm (55.91 inches) |
| Ground Clearance | 295 mm (11.61 inches) |
| Curb Weight | 135.2 kg (298 lb) |
| Fuel Capacity | 7.19 litres (1.9 gallons) |
| Performance |
|---|
| Max Power | 30.31 HP (22.1 kW) at 10000 RPM |
| Max Torque | 23.70 Nm (17.43 ft*lbs) at 8000 RPM |
| Power/Weight Ratio | 0.22 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 6.1 seconds |
| 0-60 mph | 5.8 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
