Across 8 covered model years from 1983 to 1990, the Kawasaki Z 550 GT motorcycle has a listed wet/running weight of 487.2 lb (221 kg).
Kawasaki Z 550 GT weight overview
This is firmly on the heavier side. The real penalty is not necessarily normal riding; it is low-speed work, awkward parking and moving the bike around manually.
Heavy Motorcycle
How heavy is the Kawasaki Z 550 GT?
wet weight
Using a model-level wet weight comparison, the Kawasaki Z 550 GT is heavier than about 67.2% of 32 Kawasaki classic motorcycles with compatible weight data.
Ready-to-ride weight
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Kawasaki Z 550 GT weight & related specs
| Model years covered | 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990 |
|---|---|
| Wet / running weight | 487.2 lb (221 kg) |
| Engine displacement | 553 cc |
| Power | 50 hp |
| Fuel capacity | 5.81 US gal (22 L) |
| Full-tank fuel weight (estimated) | 36.1 lb (16.4 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 10.26 hp / 100 lb |
|---|---|
| Pounds per horsepower | 9.74 lb / hp |
| Displacement per pound | 1.14 cc / lb |
| Weight per 100 cc | 88.1 lb / 100 cc |
| Fuel weight as % of bike weight | 7.4% |
What the weight numbers tell you
Kawasaki Z 550 GT weight FAQ
How heavy is the Kawasaki Z 550 GT ready to ride?
Listed ready-to-ride weight is 487.2 lb (221 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Kawasaki Z 550 GT heavy compared with other Kawasaki classic motorcycles?
Relatively speaking, it is on the heavier side. The model sits near the 67th weight percentile in its Kawasaki category, so it is heavier than most of the compatible comparison set.
Does the Kawasaki Z 550 GT weight change by model year?
Not in the usable weight data on this page. Across the covered 1983-1990 years, the supplied weight figure remains the same where comparable values are available.
How much does the Kawasaki Z 550 GT fuel weigh?
The listed tank capacity is 5.81 US gal (22 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 36.1 lb (16.4 kg). That is an estimate for fuel mass, not an official Kawasaki curb-weight calculation.
How heavy is the Kawasaki Z 550 GT with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 667.2 lb (302.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Kawasaki Z 550 GT have per 100 lb?
Where compatible power and weight figures are available, it works out to 10.26 hp per 100 lb. That places it around the 38th percentile within the compatible Kawasaki classic power-to-weight comparison.
How much of the Kawasaki Z 550 GT total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 7.4% of the motorcycle’s weight.
What is the Kawasaki Z 550 GT engine-size-to-weight ratio?
Engine displacement relative to bike weight is 1.14 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
How far is the Kawasaki Z 550 GT from the median Kawasaki classic motorcycle weight?
The model sits about 18.6 lb (8.4 kg) heavier than the compatible median Kawasaki classic motorcycle weight used on this page.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Kawasaki website.