Naked Motorcycles
1981Yamaha XJ 550 H
17 fields on record
The 1981 Yamaha XJ 550 H is a nimble middleweight sport bike that appeals to riders seeking responsive handling and accessible performance. Its 528cc air-cooled four-cylinder engine delivers smooth power with DOHC efficiency, while the six-speed transmission provides versatile gearing. Known for balanced ergonomics and reliable everyday rideability, it remains a practical choice for intermediate riders.
- Capacity
- 528.0 ccm
- Engine
- In-line four
- Gearbox
- 6-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- Not on record
Know it? Add it → - Power
- 50.0 HP (36.8 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's best suited to relaxed street riding, commuting, and weekend rides where a light, characterful air-cooled four is more important than outright speed.
- Built for
- The XJ 550 embodies early-80s Japanese UJM engineering: smooth inline-four power delivery, honest handling, and understated mechanical charm rather than aggression.
- Not ideal for
- It is not the right choice for riders seeking modern high-speed performance, long-distance touring comfort, or any serious off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 528.0 ccm
- Power
- 50.0 HP (36.8 kW)
- Engine type
- In-line four
- Bore x stroke
- 57.0 x 51.8 mm
- Compression
- 9.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 176.1 km/h (109.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake (drum brake)
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Yamaha XJ 550 H?
The 1981 Yamaha XJ 550 H has a Capacity of 528.0 ccm (32.22 cubic inches).
What engine power does the Yamaha XJ 550 H have?
The 1981 Yamaha XJ 550 H has a Power of 50.0 HP (36.8 kW).
How many gears does the Yamaha XJ 550 H have?
The 1981 Yamaha XJ 550 H has a Gearbox of 6-speed.
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