| General information | |
|---|---|
| Model: | Yamaha SR 250 Special |
| Year: | 1981 |
| Category: | Allround |
| Engine and transmission | |
| Displacement: | 240.00 ccm (14.64 cubic inches) |
| Engine type: | Single cylinder |
| Stroke: | 4 |
| Power: | 20.00 HP (14.6 kW)) @ 7900 RPM |
| Compression: | 9.2:1 |
| Bore x Stroke: | 73.5 x 56.5 mm (2.9 x 2.2 inches) |
| Valves per cylinder: | 2 |
| Fuel control: | OHC |
| Cooling system: | Air |
| Gearbox: | 5-speed |
| Transmission type final drive: | Chain |
| Physical measurements | |
| Weight incl. oil, gas, etc: | 135.0 kg (297.6 pounds) |
| Chassis and dimensions | |
| Front tyre dimensions: | 3.00-19 |
| Rear tyre dimensions: | 120/90-16 |
| Front brakes: | Expanding brake |
| Rear brakes: | Expanding brake |
| Speed and acceleration | |
| Top speed: | 120.0 km/h (74.6 mph) |
| Other specifications | |
| Fuel capacity: | 10.00 litres (2.64 gallons) |
 | |
