25 June. Thursday 2026
Yamaha XJ 650 - 1980 Specifications and Reviews
The 1980 Yamaha XJ 650 is a versatile middleweight sport bike that appeals to both novice and experienced riders seeking reliable everyday performance. Its air-cooled four-cylinder engine delivers smooth power with excellent fuel efficiency, while the shaft drive and manageable weight make it practical for commuting and weekend riding. Known for durability and low maintenance, it became a popular choice for riders wanting a capable alternative to larger sportbikes.
General information | |
| Category | Sport |
| Year | 1980 |
| Model | Yamaha XJ 650 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Shaft drive (cardan) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Bore x stroke | 63.0 x 52.4 mm (2.5 x 2.1 inches) |
| Compression | 9.2:1 |
| Power | 71.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 653.00 ccm (39.85 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 231.0 kg (509.3 pounds) |
Yamaha XJ 650 dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Dual disc |
| Rear tyre dimensions | 120/90-18 |
| Front tyre dimensions | 3.25-19 |
Speed and acceleration | |
| Top speed | 197.0 km/h (122.4 mph) |
| | |
Other specs | |
| Fuel capacity | 20.50 litres (5.42 gallons) |
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