Across 18 covered model years from 2008 to 2025, the Yamaha YZ450F motorcycle has supplied wet/running weights ranging from 238.1 lb (108 kg) to 244.9 lb (111.1 kg) and dry weights ranging from 218.9 lb (99.3 kg), depending on model year.
Yamaha YZ450F weight overview
The weight is relatively manageable, so the bike should demand less effort than a heavyweight machine when backing up, parking or making slow-speed corrections.
Light Motorcycle
How heavy is the Yamaha YZ450F?
wet weight
Using a model-level wet weight comparison, the Yamaha YZ450F is heavier than about 86.7% of 15 Yamaha 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.
Yamaha YZ450F weight & related specs
| Model years covered | 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
|---|---|
| Wet / running weight | 238.1 lb (108 kg) to 244.9 lb (111.1 kg) |
| Dry weight | 218.9 lb (99.3 kg) |
| Engine displacement | 449 cc to 449.7 cc |
| Fuel capacity | 1.6 US gal (6.05 L) to 2 US gal (7.57 L) |
| Full-tank fuel weight (estimated) | 9.9 lb (4.5 kg) to 12.4 lb (5.6 kg) |
Weight changes by model year
The 2008 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 | 1.83 cc / lb to 2.05 cc / lb |
|---|---|
| Weight per 100 cc | 48.8 lb / 100 cc to 54.6 lb / 100 cc |
| Fuel weight as % of bike weight | 4.1% to 5.1% |
| Weight with full tank | 230.1 lb (104.4 kg) |
What the weight numbers tell you
Yamaha YZ450F weight FAQ
What is the Yamaha YZ450F dry and wet weight?
Across the covered 2008-2025 years, listed wet/running weight is 238.1 lb (108 kg) to 244.9 lb (111.1 kg) and listed dry weight is 218.9 lb (99.3 kg). Check the year-change section because the exact figure can vary by model year.
Is the Yamaha YZ450F lighter or heavier than other Yamaha motocross bikes?
Compared with similar Yamahas in this dataset, it is heavier than about 86.7% of 15 motocross bikes using the same weight basis.
Which Yamaha YZ450F years have different weight specs?
The supplied data shows different weight figures across the 2008-2025 model years. Use the year-specific changes section above for the exact value attached to each changed year. No usable dry/wet figure was supplied for 2024, 2025.
How much does a full tank add to the Yamaha YZ450F?
Based on the supplied 1.6 US gal (6.05 L) to 2 US gal (7.57 L) tank capacity, the gasoline itself weighs about 9.9 lb (4.5 kg) to 12.4 lb (5.6 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Yamaha YZ450F and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 424.9 lb (192.7 kg) before riding gear, luggage or a passenger.
How heavy is the Yamaha YZ450F after filling the fuel tank?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 230.1 lb (104.4 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
What is the Yamaha YZ450F displacement per pound?
The available figures work out to 1.83 cc per lb to 2.05 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
What is the Yamaha YZ450F weight difference versus the category median?
Compared with the median Yamaha motocross bike weight of 231 lb (104.8 kg), the model is roughly 13.9 lb (6.3 kg) heavier.
Where will I notice the Yamaha YZ450F weight most?
The weight itself is unlikely to be the main difficulty. Rider reach, steering lock and where the mass sits may matter more at walking pace.
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 Yamaha Motorsports website.