What category is the 1981 Yamaha XJ 550 H?

The 1981 Yamaha XJ 550 H has a Category of Classic.

What is the engine size of the 1981 Yamaha XJ 550 H?

The 1981 Yamaha XJ 550 H has a Capacity: of 528.00 ccm (32.22 cubic inches).

What type of engine does the 1981 Yamaha XJ 550 H have?

The 1981 Yamaha XJ 550 H has a Engine type of In-line four.

What is the engine power of the 1981 Yamaha XJ 550 H?

The 1981 Yamaha XJ 550 H has a Power of 50.00.

Is the 1981 Yamaha XJ 550 H air cooled or liquid cooled?

The 1981 Yamaha XJ 550 H has a Cooling system of Air.

How many gears does the 1981 Yamaha XJ 550 H have?

The 1981 Yamaha XJ 550 H has a Gearbox of 6-speed.

What is the top speed of the 1981 Yamaha XJ 550 H?

The 1981 Yamaha XJ 550 H has a Top speed of 176.1 km/h (109.4 mph).

Yamaha XJ 550 H - 1981 Specifications and Reviews

Name: 1981 Yamaha XJ 550 H
Brand: Yamaha
Rating: 4 (1 reviews)

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.

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General information
Category	Classic
Year	1981
Model	Yamaha XJ 550 H

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	6-speed
Cooling system	Air
Starter	Electric
Fuel control	DOHC
Valves per cylinder	2
Fuel system	Carburettor
Bore x stroke	57.0 x 51.8 mm (2.2 x 2.0 inches)
Compression	9.5:1
Power	50.00
Stroke	4
Engine type	In-line four
Capacity:	528.00 ccm (32.22 cubic inches)
Physical measures and capacities
Rear brakes	Expanding brake (drum brake)
Front brakes	Single disc
Speed and acceleration
Top speed	176.1 km/h (109.4 mph)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity	14.98 litres (3.96 gallons)

Performance Profile & Rider Fit

50 hp

Peak Power

5.8s

0-60 mph

109.4 mph

Top Speed

Best For

Track30%

City65%

Cornering55%

Daily Riding60%

Touring45%

Passenger40%

Rider Profile

Best For	This bike suits riders with at least some prior experience who want a manageable, classic four-cylinder machine rather than a beginner's first ride.
Purpose	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.
Rider Fit	A relatively light and compact standard-style motorcycle, it should be comfortable and unintimidating for riders of average height and build.
Character	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.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.