Across the 2022, 2023 and 2025 model years, the Kawasaki Z650RS has a listed fuel capacity of 4 US gal (15.14 L).
Kawasaki Z650RS fuel tank overview
Across the supplied years, the Kawasaki Z650RS sits around a medium-capacity tank based on its listed capacity. Using the supplied fuel-consumption figures, the mathematical full-tank range works out to about 212 miles (341 km).
Medium-Capacity Tank
Fuel-tank size comparison
The representative 4 US gal (15.14 L) tank is close to the median among the 388 Kawasaki motorcycles in this dataset. The comparison-group median is 4.15 US gal (15.71 L).
Kawasaki motorcycles
Kawasaki Z650RS fuel & related specs
| Model years covered | 2022, 2023, 2025 |
|---|---|
| Fuel capacity | 4 US gal (15.14 L) |
| Listed fuel consumption | 4.44 L/100 km (53 mpg US / 22.5 km/L) |
| Engine displacement | 649 cc |
| Wet / running weight | 412.3 lb (187 kg) |
Kawasaki Z650RS fuel capacity by year
A dash means the relevant figure was not supplied for that model year.
| Year | Fuel capacity | Reserve | Listed consumption | Est. full-tank range |
|---|---|---|---|---|
| 2022 | 4 US gal (15.14 L) | — | 4.44 L/100 km (53 mpg US / 22.5 km/L) | 212 miles (341 km) |
| 2023 | 4 US gal (15.14 L) | — | 4.44 L/100 km (53 mpg US / 22.5 km/L) | 212 miles (341 km) |
Fuel capacity changes by model year
Useful fuel calculations
These are calculated from the supplied specifications; they are not guaranteed real-world figures.
| Approx. fuel weight with a full tank | 24.9 lb (11.3 kg) |
|---|---|
| Estimated full-tank range | 212 miles (341 km) |
What the fuel numbers tell you
Kawasaki Z650RS fuel capacity FAQ
How big is the Kawasaki Z650RS fuel tank?
The supplied model-year specifications list fuel capacity at 4 US gal (15.14 L).
Did the Kawasaki Z650RS fuel capacity change by year?
No change appears in the comparable supplied figures; the listed capacity is 4 US gal (15.14 L).
What fuel consumption is listed for the Kawasaki Z650RS?
The supplied figures range from 4.44 L/100 km (53 mpg US / 22.5 km/L), depending on model year.
How far can the Kawasaki Z650RS go on a full tank?
Using the listed tank capacity and listed consumption from the same model-year rows gives an estimated full-tank range of 212 miles (341 km). Real-world range can be lower or higher.
How much does a full tank of fuel weigh on the Kawasaki Z650RS?
Using approximately 0.745 kg per litre for gasoline, the listed tank capacity represents about 24.9 lb (11.3 kg) of fuel.
What engine size does the Kawasaki Z650RS have?
The supplied displacement figures span 649 cc across the model years covered.
Is fuel capacity the same as usable riding fuel?
Not necessarily. Published tank capacity is a nominal total capacity. Real usable fuel can vary slightly with filling method, bike angle, tank design and when the low-fuel or reserve system is triggered.
Motorcycle specifications can vary by model year, market and equipment. Fuel capacity is a nominal published figure, while calculated fuel weight and range figures on this page are estimates derived from the supplied specifications. Real-world fuel economy and range vary with speed, riding style, load, weather, terrain, tune and fuel level. Confirm critical specifications in the owner’s manual or on the official Kawasaki website.