| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Yamaha | 
| Model Name | DT 250 | 
| Year | 1973 | 
| Category(class) | Trial | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 246 ccm (15.01 cubic inches) | 
| Engine Type | 1 cylinder | 
| Bore x Stroke | Ø70.0 mm x 64.0 mm (Ø2.76 inches x 2.52 inches) | 
| Bore/Stroke Ratio | 1.09 | 
| Stroke | 2 | 
| Timing System | MEMBRANE | 
| Cooling System | Air | 
| Powertrain | 
|---|
| Gearbox | 5 speed | 
| Chassis/Suspension/Brakes | 
|---|
| Front Brakes | Drum | 
| Rear Brakes | Drum | 
| Front Tire | 3.00-21 | 
| Rear Tire | 4.00-18 | 
| Dimensions | 
|---|
| Curb Weight | 129 kg (284 lb) | 
| Fuel Capacity  | 9 litres (2.38 gallons) | 
| Performance | 
|---|
| Max Power | 20.00 HP (14.6 kW) at 6500 RPM | 
| Power/Weight Ratio | 0.16 Hp/Kg | 
| Top Speed | 137 km/h (85mph) | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 9.2 seconds | 
| 0-60 mph | 8.7 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - |