1981 Yamaha SR 500 S (spoked wheels) specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 499.0 ccm (30.45 cubic inches) |
|---|---|
| Engine type | Single cylinder, four-stroke |
| Power | 27.0 HP (19.7 kW )) @ 6000 RPM |
| Compression | 9.0:1 |
| Bore x stroke | 87.0 x 84.0 mm (3.4 x 3.3 inches) |
| Valves per cylinder | 2 |
| Fuel control | Overhead Cams (OHC) |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Front brakes | Single disc |
| Rear brakes | Expanding brake |
| Front tyre | 3.50-19 |
| Rear tyre | 4.00-18 |
| Weight incl. oil, gas, etc | 174.0 kg (383.6 pounds) |
| Fuel capacity | 12.00 litres (3.17 US gallons) |
| Top speed | 135.0 km/h (83.9 mph) |
Source: Bikez: SR 500 S (spoked wheels), 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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