| General information |
|---|
| Model: | Yamaha XS 650 |
| Year: | 1978 |
| Category: | Custom / cruiser |
| Engine and transmission |
|---|
| Displacement: | 654.00 ccm (39.91 cubic inches) |
| Engine type: | Twin |
| Stroke: | 4 |
| Power: | 50.00 HP (36.5 kW)) @ 6800 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: | OHC |
| Cooling system: | Air |
| Gearbox: | 5-speed |
Transmission type
final drive: | Chain |
| Physical measurements |
|---|
| Weight incl. oil, gas, etc: | 221.0 kg (487.2 pounds) |
| Chassis and dimensions |
|---|
| Front tyre dimensions: | 3.25-19 |
| Rear tyre dimensions: | 4.00-18 |
| Front brakes: | Dual disc |
| Rear brakes: | Expanding brake |
| Speed and acceleration |
|---|
| Top speed: | 181.0 km/h (112.5 mph) |
| Other specifications |
|---|
| Fuel capacity: | 15.00 litres (3.96 gallons) |
