| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Yamaha | 
| Model Name | YZ 250 | 
| Year | 2008 | 
| Category(class) | Motocross / Dirtbike | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 249 ccm (15.19 cubic inches) | 
| Engine Type | Single cylinder | 
| Bore x Stroke | Ø66.4 mm x 72.0 mm (Ø2.61 inches x 2.83 inches) | 
| Bore/Stroke Ratio | 0.92 | 
| Compression Ratio | 9.2:1 | 
| Stroke | 2 | 
| Ignition | CDI | 
| Cooling System | Liquid | 
| Powertrain | 
|---|
| Gearbox | 5 speed | 
| Transmission (Final Drive) | Chain | 
| Chassis/Suspension/Brakes | 
|---|
| Front Suspension | Speed-Sensitive System inverted fork | 
| Front Suspension Travel | 300 mm (11.81 inches) | 
| Rear Suspension | Fully adjustable single shock, 12.4-in travel | 
| Front Brakes | Single disc | 
| Front Brakes Diameter | Ø250 mm (Ø9.84 inches) | 
| Rear Brakes | Single disc | 
| Rear Brakes Diameter | Ø245 mm (Ø9.65 inches) | 
| Front Tire | 80/80-M21 | 
| Rear Tire | 110/90-M19 | 
| Dimensions | 
|---|
| Overall Length | 2177 mm (85.71 inches) | 
| Overall Width | 828 mm (32.6 inches) | 
| Overall Height | 1306 mm (51.42 inches) | 
| Seat Height | 993 mm (39.09 inches) | 
| Fork Angle (Rake) | 26.0° degrees | 
| Wheelbase | 1481 mm (58.31 inches) | 
| Ground Clearance | 381 mm (15 inches) | 
| Dry Weight | 96.2 kg (212 lb) | 
| Fuel Capacity | 7.94 litres (2.1 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 | - |