Across 10 covered model years from 2007 to 2018, the Kawasaki KX 450F motorcycle has supplied wet/running weights ranging from 239.6 lb (108.7 kg) to 250.4 lb (113.6 kg) and dry weights ranging from 220 lb (99.8 kg), depending on model year.
Kawasaki KX 450F weight overview
This sits in a fairly light weight range. That does not guarantee easy handling, but it reduces the sheer mass you have to manage at a stop.
Light Motorcycle
How heavy is the Kawasaki KX 450F?
wet weight
Using a model-level wet weight comparison, the Kawasaki KX 450F is heavier than about 95% 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 KX 450F weight & related specs
| Model years covered | 2007, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
|---|---|
| Wet / running weight | 239.6 lb (108.7 kg) to 250.4 lb (113.6 kg) |
| Dry weight | 220 lb (99.8 kg) |
| Engine displacement | 449 cc |
| Fuel capacity | 1.64 US gal (6.21 L) to 1.9 US gal (7.19 L) |
| Full-tank fuel weight (estimated) | 10.2 lb (4.6 kg) to 11.8 lb (5.4 kg) |
Weight changes by model year
The 2007 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Displacement per pound | 1.79 cc / lb to 2.04 cc / lb |
|---|---|
| Weight per 100 cc | 49 lb / 100 cc to 55.8 lb / 100 cc |
| Fuel weight as % of bike weight | 4.1% to 5.4% |
| Weight with full tank | 231.8 lb (105.2 kg) |
What the weight numbers tell you
Kawasaki KX 450F weight FAQ
What does the Kawasaki KX 450F weigh ready to ride?
The supplied figures span 239.6 lb (108.7 kg) to 250.4 lb (113.6 kg) for wet/running weight and 220 lb (99.8 kg) for dry weight across the years in this page. Wet weight is the better guide to what you actually manage on the road.
Is the Kawasaki KX 450F heavy compared with other Kawasaki motocross bikes?
Relatively speaking, it is on the heavier side. The model sits near the 95th weight percentile in its Kawasaki category, so it is heavier than most of the compatible comparison set.
Does the Kawasaki KX 450F weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Kawasaki KX 450F fuel weigh?
The listed tank capacity is 1.64 US gal (6.21 L) to 1.9 US gal (7.19 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 10.2 lb (4.6 kg) to 11.8 lb (5.4 kg). That is an estimate for fuel mass, not an official Kawasaki curb-weight calculation.
How heavy is the Kawasaki KX 450F with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 428 lb (194.1 kg) using the representative wet/running figure. Gear and luggage would add more.
What is the estimated Kawasaki KX 450F weight with a full tank of gas?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 231.8 lb (105.2 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
What is the Kawasaki KX 450F displacement per pound?
Engine displacement relative to bike weight is 1.79 cc per lb to 2.04 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
How much does Kawasaki KX 450F weight vary by year?
The usable year data ranges from 220 lb (99.8 kg) in 2007 to 250.4 lb (113.6 kg) in 2010.
What is the Kawasaki KX 450F weight difference versus the category median?
The model sits about 78.3 lb (35.5 kg) heavier than the compatible median Kawasaki motocross bike weight used on this page.
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.