Across 4 covered model years from 2021 to 2024, the Kawasaki KX450X motorcycle has supplied wet/running weights ranging from 246 lb (111.6 kg) and dry weights ranging from 235.9 lb (107 kg), depending on model year.
Kawasaki KX450X weight overview
This is on the lighter side for a road motorcycle. The advantage is usually most obvious while parking, maneuvering at walking speed and moving the bike around off the engine.
Light Motorcycle
How heavy is the Kawasaki KX450X?
wet weight
Using a model-level wet weight comparison, the Kawasaki KX450X is heavier than about 88.3% of 30 Kawasaki motocross bikes with compatible weight data.
Dry vs 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 KX450X weight & related specs
| Model years covered | 2021, 2022, 2023, 2024 |
|---|---|
| Wet / running weight | 246 lb (111.6 kg) |
| Dry weight | 235.9 lb (107 kg) |
| Engine displacement | 449 cc |
| Fuel capacity | 1.64 US gal (6.2 L) |
| Full-tank fuel weight (estimated) | 10.2 lb (4.6 kg) |
Weight changes by model year
Useful weight calculations
| Displacement per pound | 1.82 cc / lb to 1.9 cc / lb |
|---|---|
| Weight per 100 cc | 52.5 lb / 100 cc to 54.8 lb / 100 cc |
| Fuel weight as % of bike weight | 4.1% to 4.3% |
| Weight with full tank | 246.1 lb (111.6 kg) |
What the weight numbers tell you
Kawasaki KX450X weight FAQ
How much does the Kawasaki KX450X weigh?
For the model years covered here, wet/running weight is 246 lb (111.6 kg), while dry weight is 235.9 lb (107 kg). Do not treat dry and wet figures as interchangeable.
How does the Kawasaki KX450X weight compare with similar Kawasakis?
It is on the heavier side. Its representative wet weight is around the 88th percentile among 30 compatible Kawasaki motocross bikes.
Are all Kawasaki KX450X model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 2021-2024 years covered here.
What does a full tank of gas weigh on the Kawasaki KX450X?
A full tank works out to about 10.2 lb (4.6 kg) from the listed 1.64 US gal (6.2 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Kawasaki KX450X weigh with a 180 lb rider?
The approximate combined total is 426 lb (193.2 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
How much heavier is the Kawasaki KX450X with a full tank?
Using the listed dry weight plus the calculated fuel mass, the estimated weight with a full tank is 246.1 lb (111.6 kg). That still may not equal official curb weight because dry-weight definitions can exclude other fluids or equipment.
What is the Kawasaki KX450X dry-to-wet weight difference?
Available years with both measurements show about 10.1 lb (4.6 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.
How many cc does the Kawasaki KX450X have per pound?
The model has about 1.82 cc per lb to 1.9 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How does the Kawasaki KX450X compare with the median Kawasaki motocross bike weight?
The representative wet weight is about 76.3 lb (34.6 kg) heavier than the median Kawasaki motocross bike weight of 169.8 lb (77 kg) in this dataset.
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.