Across the 2022, 2023 and 2025 model years, the Kawasaki Z900RS SE motorcycle has a listed wet/running weight of 474.2 lb (215.1 kg).
Kawasaki Z900RS SE 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 Z900RS SE?
wet weight
Using a model-level wet weight comparison, the Kawasaki Z900RS SE is heavier than about 51.6% 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 Z900RS SE weight & related specs
| Model years covered | 2022, 2023, 2025 |
|---|---|
| Wet / running weight | 474.2 lb (215.1 kg) |
| Engine displacement | 948 cc |
| Power | 110 hp |
| Torque | 72.3 lb-ft (98 Nm) |
| Fuel capacity | 4.5 US gal (17.03 L) |
| Full-tank fuel weight (estimated) | 28 lb (12.7 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 23.2 hp / 100 lb |
|---|---|
| Pounds per horsepower | 4.31 lb / hp |
| Torque per 100 lb | 15.24 lb-ft / 100 lb |
| Displacement per pound | 2 cc / lb |
| Weight per 100 cc | 50 lb / 100 cc |
| Fuel weight as % of bike weight | 5.9% |
What the weight numbers tell you
Kawasaki Z900RS SE weight FAQ
How heavy is the Kawasaki Z900RS SE ready to ride?
Listed ready-to-ride weight is 474.2 lb (215.1 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Kawasaki Z900RS SE heavy compared with other Kawasaki classic motorcycles?
It sits fairly close to the middle of the category. Its representative wet weight is around the 52nd percentile among 32 compatible Kawasaki classic motorcycles.
Does the Kawasaki Z900RS SE weight change by model year?
Not in the usable weight data on this page. Across the covered 2022, 2023, 2025 years, the supplied weight figure remains the same where comparable values are available. No usable dry/wet figure was supplied for 2025.
How much does the Kawasaki Z900RS SE fuel weigh?
The listed tank capacity is 4.5 US gal (17.03 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 28 lb (12.7 kg). That is an estimate for fuel mass, not an official Kawasaki curb-weight calculation.
How heavy is the Kawasaki Z900RS SE with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 654.2 lb (296.7 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Kawasaki Z900RS SE have per 100 lb?
Where compatible power and weight figures are available, it works out to 23.2 hp per 100 lb. That places it around the 91st percentile within the compatible Kawasaki classic power-to-weight comparison.
What is the Kawasaki Z900RS SE torque per 100 lb of bike weight?
The calculated torque-to-weight range is 15.24 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How many cc does the Kawasaki Z900RS SE have per pound?
Engine displacement relative to bike weight is 2 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
How does the Kawasaki Z900RS SE compare with the median Kawasaki classic motorcycle weight?
The model sits about 5.6 lb (2.5 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.