| General information | |
|---|---|
| Model: | Yamaha XJ 650 |
| Year: | 1981 |
| Category: | Classic |
| Engine and transmission | |
| Displacement: | 653.00 ccm (39.85 cubic inches) |
| Engine type: | In-line four |
| Stroke: | 4 |
| Power: | 71.00 HP (51.8 kW)) @ 9400 RPM |
| Compression: | 9.2:1 |
| Bore x Stroke: | 63.0 x 52.4 mm (2.5 x 2.1 inches) |
| Valves per cylinder: | 2 |
| Fuel control: | DOHC |
| Cooling system: | Air |
| Gearbox: | 5-speed |
| Transmission type final drive: | Shaft drive (cardan) |
| Physical measurements | |
| Weight incl. oil, gas, etc: | 231.0 kg (509.3 pounds) |
| Chassis and dimensions | |
| Front tyre dimensions: | 3.25-19 |
| Rear tyre dimensions: | 120/90-18 |
| Front brakes: | Dual disc |
| Rear brakes: | Expanding brake |
| Speed and acceleration | |
| Top speed: | 197.0 km/h (122.4 mph) |
| Other specifications | |
| Fuel capacity: | 20.50 litres (5.42 gallons) |
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