For the 2009 model year, the Yamaha YFM50 motorcycle has a listed dry weight of 238.1 lb (108 kg).
Yamaha YFM50 weight overview
This sits at the very light end of motorcycle mass, which is especially useful when the bike has to be moved around by hand or held on uneven ground. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Very Light Motorcycle
How heavy is the Yamaha YFM50?
dry weight
Using a model-level dry weight comparison, the Yamaha YFM50 is lighter than about 64.5% of 110 Yamaha motorcycles with compatible weight data.
Dry weight
Bike + rider total weight
These totals use the model’s representative dry weight. They exclude riding gear, luggage and a passenger.
Yamaha YFM50 weight & related specs
| Model years covered | 2009 |
|---|---|
| Dry weight | 238.1 lb (108 kg) |
| Engine displacement | 49 cc |
| Fuel capacity | 1.8 US gal (6.8 L) |
| Full-tank fuel weight (estimated) | 11.2 lb (5.1 kg) |
Useful weight calculations
| Displacement per pound | 0.21 cc / lb |
|---|---|
| Weight per 100 cc | 485.9 lb / 100 cc |
| Fuel weight as % of bike weight | 4.7% |
| Weight with full tank | 249.3 lb (113.1 kg) |
What the weight numbers tell you
Yamaha YFM50 weight FAQ
How heavy is the Yamaha YFM50?
Listed dry weight is 238.1 lb (108 kg). Because no usable wet/running figure was supplied, treat that as a lower starting point rather than the exact on-road weight.
Is the Yamaha YFM50 heavy compared with other Yamaha motorcycles?
It sits fairly close to the middle of the category. Its representative dry weight is around the 35th percentile among 110 compatible Yamaha motorcycles.
How much does the Yamaha YFM50 fuel weigh?
The listed tank capacity is 1.8 US gal (6.8 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 11.2 lb (5.1 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha YFM50 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 418.1 lb (189.6 kg) using the representative dry figure. Gear and luggage would add more.
Can I treat the Yamaha YFM50 dry weight as curb weight?
No. The usable figure is dry weight, so it excludes at least some operating fluids. Dry weight plus the estimated full fuel load is about 249.3 lb (113.1 kg), and oil/coolant or definition differences may add more.
How large is the Yamaha YFM50 engine for its weight?
Engine displacement relative to bike weight is 0.21 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Is the Yamaha YFM50 above or below the typical Yamaha motorcycle weight?
The model sits about 52.9 lb (24 kg) lighter than the compatible median Yamaha motorcycle weight used on this page.
Will the Yamaha YFM50 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.