| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | TM racing |
| Model Name | MX 250 |
| Year | 2011 |
| Category(class) | Motocross / Dirtbike |
| Engine |
|---|
| Engine Capacity (Displacement) | 249 ccm (15.19 cubic inches) |
| Engine Type | Single cylinder, two-stroke |
| Bore x Stroke | Ø66.4 mm x 72.0 mm (Ø2.61 inches x 2.83 inches) |
| Bore/Stroke Ratio | 0.92 |
| Compression Ratio | 17.2:1 |
| Fuel System(Carburetion) | Carburettor. Keihin PWM 38 |
| Ignition | Kokusan CDI Electronic with variable advance with two selectable maps through handlebar switch |
| Starter System | Kick |
| Lubrication System | 3.5% oil mixture |
| Cooling System | Liquid |
| Powertrain |
|---|
| Clutch | Multiple-disk in oil bath with hydraulic control |
| Gearbox | 5 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Frame Type | Perimetral aluminium section |
| Front Suspension | Marzocchi upside-down fork |
| Rear Suspension | Sachs Boge (optional Ohlins ) |
| Front Brakes | Single disc. Nissin pump and Brembo caliper |
| Front Brakes Diameter | Ø270 mm (Ø10.63 inches) |
| Rear Brakes | Single disc. Nissin pump and Brembo caliper |
| Rear Brakes Diameter | Ø245 mm (Ø9.65 inches) |
| Front Tire | 100/90-21 |
| Rear Tire | 110/90-19 |
| Dimensions |
|---|
| Fuel Capacity | 8.70 litres (2.3 gallons) |
| Performance |
|---|
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | - |
| 0-60 mph | - |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
