Naked Motorcycles
1980Yamaha XJ 650
19 fields on record
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.
- Capacity
- 653.0 ccm
- Engine
- In-line four
- Gearbox
- 5-speed
- Wet weight
- 231.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 71.0 HP (52.2 kW) @ 9400 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- This bike suits riders who want a classic, versatile naked machine for commuting, weekend rides, and light touring rather than outright performance.
- Built for
- The air-cooled inline-four and shaft drive give it a smooth, mechanical charm with steady, unhurried power delivery rather than aggressive thrills.
- Not ideal for
- It's not the right choice for riders seeking modern sportbike agility, off-road capability, or class-leading acceleration.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 653.0 ccm
- Power
- 71.0 HP (52.2 kW) @ 9400 RPM
- Engine type
- In-line four
- Power/weight ratio
- 0.3074 HP/kg
- Bore x stroke
- 63.0 x 52.4 mm
- Compression
- 9.2:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Shaft
Performance
- Top speed
- 197.0 km/h (122.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.25-19
- Rear tyre
- 120/90-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1980 | 1981 | 1982 | 1983 | 1984 |
|---|---|---|---|---|---|
| Capacity | 653.00 ccm (39.85 cubic inches) | 653.00 ccm (39.85 cubic inches) | 653.00 ccm (39.85 cubic inches) | 653.00 ccm (39.85 cubic inches) | 653.00 ccm (39.85 cubic inches) |
| Fuel capacity | 20.50 litres (5.42 gallons) | 20.50 litres (5.42 gallons) | 20.50 litres (5.42 gallons) | 20.50 litres (5.42 gallons) | 20.50 litres (5.42 gallons) |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha XJ 650?
The 1980 Yamaha XJ 650 has a Capacity of 653.0 ccm (39.85 cubic inches).
What engine power does the Yamaha XJ 650 have?
The 1980 Yamaha XJ 650 has a Power of 71.0 HP (52.2 kW) @ 9400 RPM.
How many gears does the Yamaha XJ 650 have?
The 1980 Yamaha XJ 650 has a Gearbox of 5-speed.
How much does the Yamaha XJ 650 weigh?
The 1980 Yamaha XJ 650 has a Wet weight of 231.0 kg (509.3 pounds).
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