Naked Motorcycles
1985Kawasaki Z 550 Sport
19 fields on record
The 1985 Kawasaki Z 550 Sport is a lightweight middleweight featuring a 553cc air-cooled inline-four engine producing 50 horsepower. Best suited for novice and intermediate riders, it offers accessible performance and nimble handling at 208kg. Known for reliable DOHC engineering and affordable sportiness, the Z 550 Sport delivers practical everyday versatility with engaging character.
- Capacity
- 553.0 ccm
- Engine
- In-line four
- Gearbox
- 6-speed
- Wet weight
- 208.0 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
- It's a classic all-rounder from the mid-80s, built for everyday commuting and light weekend rides rather than any single specialized discipline.
- Built for
- Expect a smooth, revvy DOHC four-cylinder character with a classic air-cooled soundtrack and old-school analog handling feel.
- Not ideal for
- This isn't the machine for riders chasing modern sportbike performance, long-distance touring comfort, 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
- 0.2404 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
- Chain
Performance
- Top speed
- 184.0 km/h (114.3 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.25-19
- Rear tyre
- 4.00-18
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 | 1984 | 1985 | 1986 |
|---|---|---|---|---|
| Capacity | 553 cc | 553 cc | 553 cc | 553 cc |
| Fuel capacity | 18.5 L | 18.5 L | 18.5 L | 18.5 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 Sport?
The 1985 Kawasaki Z 550 Sport has a Capacity of 553.0 ccm (33.75 cubic inches).
What engine power does the Kawasaki Z 550 Sport have?
The 1985 Kawasaki Z 550 Sport has a Power of 50.0 HP (36.8 kW) @ 8500 RPM.
How many gears does the Kawasaki Z 550 Sport have?
The 1985 Kawasaki Z 550 Sport has a Gearbox of 6-speed.
How much does the Kawasaki Z 550 Sport weigh?
The 1985 Kawasaki Z 550 Sport has a Wet weight of 208.0 kg (458.6 pounds).
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