Naked Motorcycles
1990Kawasaki Z 550 GT
19 fields on record
The 1990 Kawasaki Z 550 GT is a lightweight touring motorcycle powered by a 553cc inline-four engine producing 50 horsepower. Ideal for riders seeking affordable, practical commuting or casual touring, it combines manageable performance with shaft-drive reliability and excellent fuel efficiency. Its air-cooled design and 221kg weight make it accessible for new and experienced riders alike.
- Capacity
- 553.0 ccm
- Engine
- In-line four
- Gearbox
- 6-speed
- Wet weight
- 221.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 50.0 HP (36.8 kW) @ 8500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as a light sport-touring machine, comfortable for moderate-distance rides and everyday commuting rather than track work.
- Built for
- An understated, classic air-cooled inline-four tourer that prioritizes smooth, reliable shaft-driven power delivery over outright speed.
- Not ideal for
- Not a good fit for riders seeking high-speed thrills, aggressive cornering performance, or any 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
- 553.0 ccm
- Power
- 50.0 HP (36.8 kW) @ 8500 RPM
- Engine type
- In-line four
- Power/weight ratio
- 0.2262 HP/kg
- Bore x stroke
- 58.0 x 52.4 mm
- Compression
- 9.5:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Shaft
Performance
- Top speed
- 177.0 km/h (110.0 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Front tyre
- 100/90-19
- 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 | 1983 | 1985 | 1987 | 1988 | 1990 |
|---|---|---|---|---|---|
| Capacity | 553 cc | 553 cc | 553 cc | 553 cc | 553 cc |
| Fuel capacity | 22 L | 22 L | 22 L | 22 L | 22 L |
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 Kawasaki Z 550 GT?
The 1990 Kawasaki Z 550 GT has a Capacity of 553.0 ccm (33.75 cubic inches).
What engine power does the Kawasaki Z 550 GT have?
The 1990 Kawasaki Z 550 GT has a Power of 50.0 HP (36.8 kW) @ 8500 RPM.
How many gears does the Kawasaki Z 550 GT have?
The 1990 Kawasaki Z 550 GT has a Gearbox of 6-speed.
How much does the Kawasaki Z 550 GT weigh?
The 1990 Kawasaki Z 550 GT has a Wet weight of 221.0 kg (487.2 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.