For the 1980 model year, the Yamaha MR50 motorcycle has a supplied wet/running weight of 169.8 lb (77 kg) and a dry weight of 154.3 lb (70 kg).
Yamaha MR50 weight overview
This is a genuinely light bike. That usually makes parking, pushing it around a garage and catching small low-speed balance errors easier than on larger motorcycles.
Very Light Motorcycle
How heavy is the Yamaha MR50?
wet weight
Using a model-level wet weight comparison, the Yamaha MR50 is lighter than about 98.7% of 197 Yamaha motorcycles 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 MR50 weight & related specs
| Model years covered | 1980 |
|---|---|
| Wet / running weight | 169.8 lb (77 kg) |
| Dry weight | 154.3 lb (70 kg) |
| Engine displacement | 49 cc |
| Fuel capacity | 1.72 US gal (6.5 L) |
| Full-tank fuel weight (estimated) | 10.7 lb (4.8 kg) |
Useful weight calculations
| Displacement per pound | 0.29 cc / lb |
|---|---|
| Weight per 100 cc | 346.4 lb / 100 cc |
| Fuel weight as % of bike weight | 6.3% |
| Weight with full tank | 165 lb (74.8 kg) |
What the weight numbers tell you
Yamaha MR50 weight FAQ
How much does the Yamaha MR50 weigh?
For the model years covered here, wet/running weight is 169.8 lb (77 kg), while dry weight is 154.3 lb (70 kg). Do not treat dry and wet figures as interchangeable.
How does the Yamaha MR50 weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 98.7% of 197 Yamaha motorcycles with the same weight basis.
What does a full tank of gas weigh on the Yamaha MR50?
A full tank works out to about 10.7 lb (4.8 kg) from the listed 1.72 US gal (6.5 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha MR50 weigh with a 180 lb rider?
The approximate combined total is 349.8 lb (158.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
What is the Yamaha MR50 full-tank weight estimate?
Using the listed dry weight plus the calculated fuel mass, the estimated weight with a full tank is 165 lb (74.8 kg). That still may not equal official curb weight because dry-weight definitions can exclude other fluids or equipment.
What is the Yamaha MR50 dry-to-wet weight difference?
Available years with both measurements show about 15.4 lb (7 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.
How many cc does the Yamaha MR50 have per pound?
The model has about 0.29 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How does the Yamaha MR50 compare with the median Yamaha motorcycle weight?
The representative wet weight is about 205.3 lb (93.1 kg) lighter than the median Yamaha motorcycle weight of 375 lb (170.1 kg) in this dataset.
Is the Yamaha MR50 easy to move around by hand?
By scale weight it is light, so backing up, garage movement and slow-speed corrections should require less effort than on heavier bikes. Geometry still matters.
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.