Across 9 covered model years from 2012 to 2023, the Kawasaki KLX450R has a listed fuel capacity of 2.11 US gal (8 L).
Kawasaki KLX450R fuel tank overview
Across the supplied years, the Kawasaki KLX450R sits around a compact tank based on its listed capacity.
Compact Tank
Fuel-tank size comparison
The representative 2.11 US gal (8 L) tank is smaller than 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 KLX450R fuel & related specs
| Model years covered | 2012, 2013, 2015, 2016, 2017, 2019, 2020, 2021, 2023 |
|---|---|
| Fuel capacity | 2.11 US gal (8 L) |
| Engine displacement | 449 cc |
| Wet / running weight | 277.8 lb (126 kg) |
Kawasaki KLX450R 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 |
|---|---|---|---|---|
| 2012 | 2.11 US gal (8 L) | — | — | — |
| 2013 | 2.11 US gal (8 L) | — | — | — |
| 2015 | 2.11 US gal (8 L) | — | — | — |
| 2016 | 2.11 US gal (8 L) | — | — | — |
| 2017 | 2.11 US gal (8 L) | — | — | — |
| 2019 | 2.11 US gal (8 L) | — | — | — |
| 2020 | 2.11 US gal (8 L) | — | — | — |
| 2021 | 2.11 US gal (8 L) | — | — | — |
| 2023 | 2.11 US gal (8 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 | 13.1 lb (6 kg) |
|---|
What the fuel numbers tell you
Kawasaki KLX450R fuel capacity FAQ
How big is the Kawasaki KLX450R fuel tank?
The supplied model-year specifications list fuel capacity at 2.11 US gal (8 L).
Did the Kawasaki KLX450R fuel capacity change by year?
No change appears in the comparable supplied figures; the listed capacity is 2.11 US gal (8 L).
How much does a full tank of fuel weigh on the Kawasaki KLX450R?
Using approximately 0.745 kg per litre for gasoline, the listed tank capacity represents about 13.1 lb (6 kg) of fuel.
What engine size does the Kawasaki KLX450R have?
The supplied displacement figures span 449 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.