Across the 2022, 2023 and 2025 model years, the Kawasaki Z650RS motorcycle has a listed wet/running weight of 412.3 lb (187 kg).
Kawasaki Z650RS 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 Z650RS?
wet weight
Using a model-level wet weight comparison, the Kawasaki Z650RS is lighter than about 65.6% 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 Z650RS weight & related specs
| Model years covered | 2022, 2023, 2025 |
|---|---|
| Wet / running weight | 412.3 lb (187 kg) |
| Engine displacement | 649 cc |
| Torque | 48.5 lb-ft (65.7 Nm) |
| Fuel capacity | 4 US gal (15.14 L) |
| Full-tank fuel weight (estimated) | 24.9 lb (11.3 kg) |
Weight changes by model year
Useful weight calculations
| Torque per 100 lb | 11.75 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.57 cc / lb |
| Weight per 100 cc | 63.5 lb / 100 cc |
| Fuel weight as % of bike weight | 6% |
What the weight numbers tell you
Kawasaki Z650RS weight FAQ
How much does the Kawasaki Z650RS weigh?
The available wet/running figure is 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 Z650RS weight compare with similar Kawasakis?
Relatively light. On a model-level comparison, it is lighter than about 65.6% of 32 Kawasaki classic motorcycles with the same weight basis.
Are all Kawasaki Z650RS model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 2022, 2023, 2025 years covered here.
What does a full tank of gas weigh on the Kawasaki Z650RS?
A full tank works out to about 24.9 lb (11.3 kg) from the listed 4 US gal (15.14 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Kawasaki Z650RS 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.
How much torque does the Kawasaki Z650RS have per 100 lb?
Available data gives 11.75 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
What is the Kawasaki Z650RS displacement per pound?
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 is the Kawasaki Z650RS weight difference versus the category median?
The representative wet weight is about 56.3 lb (25.6 kg) lighter than the median Kawasaki classic motorcycle weight of 468.6 lb (212.6 kg) in this dataset.
Is the Kawasaki Z650RS easy to move around by hand?
The number is manageable for a road bike, but you still notice it when parking, making tight low-speed turns or catching a lean. On the move, chassis balance can make it feel lighter than the scale suggests.
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.