For the 2021 model year, the Yamaha YZ450FSP motorcycle has a listed wet/running weight of 244.7 lb (111 kg).
Yamaha YZ450FSP 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 Yamaha YZ450FSP?
wet weight
Using a model-level wet weight comparison, the Yamaha YZ450FSP is lighter than about 81% 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 YZ450FSP weight & related specs
| Model years covered | 2021 |
|---|---|
| Wet / running weight | 244.7 lb (111 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) |
Useful weight calculations
| Displacement per pound | 1.83 cc / lb |
|---|---|
| Weight per 100 cc | 54.5 lb / 100 cc |
| Fuel weight as % of bike weight | 4.2% |
What the weight numbers tell you
Yamaha YZ450FSP weight FAQ
How heavy is the Yamaha YZ450FSP ready to ride?
Listed ready-to-ride weight is 244.7 lb (111 kg).
Is the Yamaha YZ450FSP heavy compared with other Yamaha motorcycles?
It is on the lighter side in this dataset. Its representative wet weight sits around the 19th weight percentile among 197 Yamaha motorcycles, meaning most compatible models are heavier.
How much does the Yamaha YZ450FSP fuel weigh?
The listed tank capacity is 1.64 US gal (6.2 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 10.2 lb (4.6 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha YZ450FSP with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 424.7 lb (192.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How large is the Yamaha YZ450FSP engine for its weight?
Engine displacement relative to bike weight is 1.83 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Is the Yamaha YZ450FSP above or below the typical Yamaha motorcycle weight?
The model sits about 130.3 lb (59.1 kg) lighter than the compatible median Yamaha motorcycle weight used on this page.
Will the Yamaha YZ450FSP feel heavy at low speed?
Its low mass should make hand-moving and parking easier than on most full-size road motorcycles. Seat height and center of mass can still change how manageable it feels.
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.