| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Yamaha | 
| Model Name | WR125X | 
| Year | 2009 | 
| Category(class) | Super moto | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 124 ccm (7.57 cubic inches) | 
| Engine Type | Single cylinder, four-stroke | 
| Bore x Stroke | Ø52.0 mm x 58.6 mm (Ø2.05 inches x 2.31 inches) | 
| Bore/Stroke Ratio | 0.89 | 
| Timing System | SOHC | 
| Fuel System(Carburetion) | Injection | 
| Ignition | TCI (digital) | 
| Starter System | Electric | 
| Lubrication System | Wet sump | 
| Cooling System | Liquid | 
| Powertrain | 
|---|
| Clutch | Wet, multiple-disc coil spring | 
| Gearbox | 6 speed | 
| Chassis/Suspension/Brakes | 
|---|
| Frame Type | Steel double cradle | 
| Front Suspension | Telescopic forks | 
| Front Suspension Travel | 240 mm (9.45 inches) | 
| Rear Suspension | Swingarm (link suspension) | 
| Rear Suspension Travel | 230 mm (9.06 inches) | 
| Front Brakes | Single disc | 
| Front Brakes Diameter | Ø298 mm (Ø11.73 inches) | 
| Rear Brakes | Single disc | 
| Rear Brakes Diameter | Ø220 mm (Ø8.66 inches) | 
| Front Tire | 110/70-M17 | 
| Rear Tire | 140/70-M17 | 
| Dimensions | 
|---|
| Overall Length | 2095 mm (82.48 inches) | 
| Overall Height | 1165 mm (45.87 inches) | 
| Seat Height | 920 mm (36.22 inches) | 
| Trail | 79 mm (3.11 inches) | 
| Wheelbase | 1430 mm (56.3 inches) | 
| Ground Clearance | 255 mm (10.04 inches) | 
| Curb Weight | 137.0 kg (302 lb) | 
| Fuel Capacity | 8.50 litres (2.25 gallons) | 
| Performance | 
|---|
| Max Power | 14.75 HP (10.8 kW) | 
| Max Torque | 12.20 Nm (8.97 ft*lbs) | 
| Power/Weight Ratio | 0.11 Hp/Kg | 
| Top Speed | - | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 13.9 seconds | 
| 0-60 mph | 13.2 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - |