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|---|
| Model | Yamaha XS 650 |
| Year | 1977 |
|
|---|
| Displacement | 654.0 ccm (39.91 cubic inches) |
| Engine type | Twin, four-stroke |
| Power | 50.0 HP (36.5 kW) @ 6800 RPM |
| Top speed | 181.0 km/h (112.5 mph) |
| 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) |
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|---|
| Front tire | 3.25-19 |
| Rear tire | 4.00-18 |
| Front brakes | Dual disc |
| Rear brakes | Expanding brake |
| Weight incl. oil, gas, etc | 227.0 kg (500.4 pounds) |
| Fuel capacity | 15.00 litres (3.96 US gallons) |
