1978 Yamaha XS 500 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 | Twin, four-stroke |
| Power | 49.0 HP (35.8 kW )) @ 8250 RPM |
| Compression | 8.5:1 |
| Bore x stroke | 73.0 x 59.6 mm (2.9 x 2.3 inches) |
| Valves per cylinder | 4 |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Front brakes | Single disc |
| Rear brakes | Single disc |
| Front tyre | 3.25-19 |
| Rear tyre | 4.00-18 |
| Weight incl. oil, gas, etc | 210.0 kg (463.0 pounds) |
| Fuel capacity | 15.00 litres (3.96 US gallons) |
| Top speed | 118.0 km/h (73.3 mph) |
Source: Bikez: XS 500, 1978. 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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