Across 8 covered model years from 2017 to 2025, the Kawasaki Z650 motorcycle has supplied wet/running weights ranging from 410.1 lb (186 kg) to 412.3 lb (187 kg).
Kawasaki Z650 weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass.
Middleweight Motorcycle
How heavy is the Kawasaki Z650?
wet weight
Using a model-level wet weight comparison, the Kawasaki Z650 is lighter than about 70% of 60 Kawasaki naked bikes with compatible weight data.
Ready-to-ride weight range
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Kawasaki Z650 weight & related specs
| Model years covered | 2017, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
|---|---|
| Wet / running weight | 410.1 lb (186 kg) to 412.3 lb (187 kg) |
| Engine displacement | 649 cc |
| Power | 67.3 hp |
| Torque | 48.5 lb-ft (65.7 Nm) |
| Fuel capacity | 4 US gal (15.14 L) to 4.49 US gal (17 L) |
| Full-tank fuel weight (estimated) | 24.9 lb (11.3 kg) to 27.9 lb (12.7 kg) |
Weight changes by model year
The 2017 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Horsepower per 100 lb | 16.32 hp / 100 lb to 16.41 hp / 100 lb |
|---|---|
| Pounds per horsepower | 6.09 lb / hp to 6.13 lb / hp |
| Torque per 100 lb | 11.75 lb-ft / 100 lb to 11.82 lb-ft / 100 lb |
| Displacement per pound | 1.57 cc / lb |
| Weight per 100 cc | 63.2 lb / 100 cc to 63.5 lb / 100 cc |
| Fuel weight as % of bike weight | 6% to 6.8% |
What the weight numbers tell you
Kawasaki Z650 weight FAQ
How much does the Kawasaki Z650 weigh?
The available wet/running figure is 410.1 lb (186 kg) to 412.3 lb (187 kg). This is more representative of the motorcycle you actually push, park and ride than a dry-only specification.
How does the Kawasaki Z650 weight compare with similar Kawasakis?
Relatively light. On a model-level comparison, it is lighter than about 70% of 60 Kawasaki naked bikes with the same weight basis.
Are all Kawasaki Z650 model years the same weight?
There are year-to-year differences in the supplied data. The earliest covered year is used as the baseline, with later changed values shown separately above.
What does a full tank of gas weigh on the Kawasaki Z650?
A full tank works out to about 24.9 lb (11.3 kg) to 27.9 lb (12.7 kg) from the listed 4 US gal (15.14 L) to 4.49 US gal (17 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Kawasaki Z650 weigh with a 180 lb rider?
The approximate combined total is 592.3 lb (268.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Kawasaki Z650 strong for its weight?
The calculated range is 16.32 hp per 100 lb to 16.41 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 60th percentile within the compatible Kawasaki naked bike power-to-weight comparison.
What is the Kawasaki Z650 torque-to-weight ratio?
Available data gives 11.75 lb-ft per 100 lb to 11.82 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
How large is the Kawasaki Z650 engine for its weight?
The model has about 1.57 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
What are the lightest and heaviest Kawasaki Z650 years?
Across the covered years with usable comparable weight figures, the model runs from about 410.1 lb (186 kg) (2019) up to 412.3 lb (187 kg) (2017-2023).
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.