Across the 1981, 1982 and 1983 model years, the Yamaha DT 50 MX motorcycle has supplied wet/running weights ranging from 187.4 lb (85 kg) and dry weights ranging from 178.6 lb (81 kg), depending on model year.
Yamaha DT 50 MX 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 DT 50 MX?
wet weight
Using a model-level wet weight comparison, the Yamaha DT 50 MX is lighter than about 94.7% 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 DT 50 MX weight & related specs
| Model years covered | 1981, 1982, 1983 |
|---|---|
| Wet / running weight | 187.4 lb (85 kg) |
| Dry weight | 178.6 lb (81 kg) |
| Engine displacement | 50 cc |
| Fuel capacity | 1.12 US gal (4.23 L) to 2.11 US gal (8 L) |
| Full-tank fuel weight (estimated) | 6.9 lb (3.2 kg) to 13.1 lb (6 kg) |
Weight changes by model year
The 1981 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 | 0.27 cc / lb |
|---|---|
| Weight per 100 cc | 374.8 lb / 100 cc |
| Fuel weight as % of bike weight | 3.7% |
| Weight with full tank | 185.5 lb (84.2 kg) |
What the weight numbers tell you
Yamaha DT 50 MX weight FAQ
How much does the Yamaha DT 50 MX weigh?
For the model years covered here, wet/running weight is 187.4 lb (85 kg), while dry weight is 178.6 lb (81 kg). Do not treat dry and wet figures as interchangeable.
How does the Yamaha DT 50 MX weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 94.7% of 197 Yamaha motorcycles with the same weight basis.
Are all Yamaha DT 50 MX model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 1981-1983 years covered here.
What does a full tank of gas weigh on the Yamaha DT 50 MX?
A full tank works out to about 6.9 lb (3.2 kg) to 13.1 lb (6 kg) from the listed 1.12 US gal (4.23 L) to 2.11 US gal (8 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha DT 50 MX weigh with a 180 lb rider?
The approximate combined total is 367.4 lb (166.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
What is the difference between Yamaha DT 50 MX dry and wet weight?
Available years with both measurements show about 8.8 lb (4 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.
What is the Yamaha DT 50 MX displacement per pound?
The model has about 0.27 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
What is the Yamaha DT 50 MX weight difference versus the category median?
The representative wet weight is about 187.6 lb (85.1 kg) lighter than the median Yamaha motorcycle weight of 375 lb (170.1 kg) in this dataset.
Is the Yamaha DT 50 MX 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.