1980 Yamaha XS 650 US. Custom specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 654.0 ccm (39.91 cubic inches) |
|---|---|
| Engine type | Twin, four-stroke |
| Power | 48.0 HP (35.0 kW )) @ 7100 RPM |
| Compression | 8.4:1 |
| Bore x stroke | 75.0 x 74.0 mm (3.0 x 2.9 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 | 130/90-16 |
| Weight incl. oil, gas, etc | 221.0 kg (487.2 pounds) |
| Fuel capacity | 12.00 litres (3.17 US gallons) |
| Top speed | 156.0 km/h (96.9 mph) |
Source: Bikez: XS 650 US. Custom, 1980. 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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