1981 Yamaha SR 250 Special (reduced effect) specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 240.0 ccm (14.64 cubic inches) |
|---|---|
| Engine type | Single cylinder, four-stroke |
| Power | 17.0 HP (12.4 kW )) @ 7500 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 | Overhead Cams (OHC) |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Front brakes | Expanding brake |
| Rear brakes | Expanding brake |
| Front tyre | 3.00-19 |
| Rear tyre | 120/90-16 |
| Weight incl. oil, gas, etc | 135.0 kg (297.6 pounds) |
| Fuel capacity | 10.00 litres (2.64 US gallons) |
| Top speed | 115.0 km/h (71.5 mph) |
Source: Bikez: SR 250 Special (reduced effect), 1981. Retrieved 2026-09-19. Match confidence: exact.
Years listed are the entries held in this archive, rather than a complete production history.
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