Across the 2010, 2011 and 2012 model years, the Yamaha YFZ450X motorcycle has a listed wet/running weight of 399.9 lb (181.4 kg).
Yamaha YFZ450X weight overview
This is neither unusually light nor extremely heavy. For most riders the practical weight question is more about seat height, center of mass and low-speed balance than the scale number alone.
Middleweight Motorcycle
How heavy is the Yamaha YFZ450X?
wet weight
Using a model-level wet weight comparison, the Yamaha YFZ450X is heavier than about 57.6% of 197 Yamaha motorcycles with compatible weight data.
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 YFZ450X weight & related specs
| Model years covered | 2010, 2011, 2012 |
|---|---|
| Wet / running weight | 399.9 lb (181.4 kg) |
| Engine displacement | 449 cc |
| Fuel capacity | 2.6 US gal (9.84 L) |
| Full-tank fuel weight (estimated) | 16.2 lb (7.3 kg) |
Weight changes by model year
Useful weight calculations
| Displacement per pound | 1.12 cc / lb |
|---|---|
| Weight per 100 cc | 89.1 lb / 100 cc |
| Fuel weight as % of bike weight | 4% |
What the weight numbers tell you
Yamaha YFZ450X weight FAQ
How heavy is the Yamaha YFZ450X ready to ride?
Listed ready-to-ride weight is 399.9 lb (181.4 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Yamaha YFZ450X heavy compared with other Yamaha motorcycles?
It sits fairly close to the middle of the category. Its representative wet weight is around the 58th percentile among 197 compatible Yamaha motorcycles.
Does the Yamaha YFZ450X weight change by model year?
Not in the usable weight data on this page. Across the covered 2010-2012 years, the supplied weight figure remains the same where comparable values are available.
How much does the Yamaha YFZ450X fuel weigh?
The listed tank capacity is 2.6 US gal (9.84 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 16.2 lb (7.3 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha YFZ450X with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 579.9 lb (263 kg) using the representative wet/running figure. Gear and luggage would add more.
What is the Yamaha YFZ450X displacement per pound?
Engine displacement relative to bike weight is 1.12 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
What is the Yamaha YFZ450X weight difference versus the category median?
The model sits about 24.9 lb (11.3 kg) heavier than the compatible median Yamaha motorcycle weight used on this page.
Will the Yamaha YFZ450X feel heavy at low speed?
It is most likely to feel heavy while stopped, backing up or on a slope rather than once settled at normal riding speed. Seat height and center of gravity matter a lot.
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.