Across the 1976, 1977 and 1978 model years, the Kawasaki Z 650 has a listed fuel capacity of 4.36 US gal (16.5 L).
Kawasaki Z 650 fuel tank overview
Across the supplied years, the Kawasaki Z 650 sits around a medium-capacity tank based on its listed capacity.
Medium-Capacity Tank
Fuel-tank size comparison
The representative 4.36 US gal (16.5 L) tank is smaller than the median among the 36 Kawasaki sport-touring motorcycles in this dataset. The comparison-group median is 5.02 US gal (19 L).
Kawasaki sport-touring motorcycles
Kawasaki Z 650 fuel & related specs
| Model years covered | 1976-1978 |
|---|---|
| Fuel capacity | 4.36 US gal (16.5 L) |
| Engine displacement | 652 cc |
| Wet / running weight | 485 lb (220 kg) |
Kawasaki Z 650 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 |
|---|---|---|---|---|
| 1976 | 4.36 US gal (16.5 L) | — | — | — |
| 1977 | 4.36 US gal (16.5 L) | — | — | — |
| 1978 | 4.36 US gal (16.5 L) | — | — | — |
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 | 27.1 lb (12.3 kg) |
|---|
What the fuel numbers tell you
Kawasaki Z 650 fuel capacity FAQ
How big is the Kawasaki Z 650 fuel tank?
The supplied model-year specifications list fuel capacity at 4.36 US gal (16.5 L).
Did the Kawasaki Z 650 fuel capacity change by year?
No change appears in the comparable supplied figures; the listed capacity is 4.36 US gal (16.5 L).
How much does a full tank of fuel weigh on the Kawasaki Z 650?
Using approximately 0.745 kg per litre for gasoline, the listed tank capacity represents about 27.1 lb (12.3 kg) of fuel.
What engine size does the Kawasaki Z 650 have?
The supplied displacement figures span 652 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.