Across the 1976 and 1977 model years, the Yamaha RS 100 DX motorcycle has a listed wet/running weight of 205 lb (93 kg).
Yamaha RS 100 DX 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 RS 100 DX?
wet weight
Using a model-level wet weight comparison, the Yamaha RS 100 DX is lighter than about 98.5% of 34 Yamaha classic 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 RS 100 DX weight & related specs
| Model years covered | 1976, 1977 |
|---|---|
| Wet / running weight | 205 lb (93 kg) |
| Engine displacement | 97 cc |
| Power | 10.5 hp |
| Fuel capacity | 2.38 US gal (9 L) |
| Full-tank fuel weight (estimated) | 14.8 lb (6.7 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 5.12 hp / 100 lb |
|---|---|
| Pounds per horsepower | 19.53 lb / hp |
| Displacement per pound | 0.47 cc / lb |
| Weight per 100 cc | 211.4 lb / 100 cc |
| Fuel weight as % of bike weight | 7.2% |
What the weight numbers tell you
Yamaha RS 100 DX weight FAQ
How much does the Yamaha RS 100 DX weigh?
The available wet/running figure is 205 lb (93 kg). This is more representative of the motorcycle you actually push, park and ride than a dry-only specification.
How does the Yamaha RS 100 DX weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 98.5% of 34 Yamaha classic motorcycles with the same weight basis.
Are all Yamaha RS 100 DX model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 1976-1977 years covered here.
What does a full tank of gas weigh on the Yamaha RS 100 DX?
A full tank works out to about 14.8 lb (6.7 kg) from the listed 2.38 US gal (9 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha RS 100 DX weigh with a 180 lb rider?
The approximate combined total is 385 lb (174.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Yamaha RS 100 DX strong for its weight?
The calculated range is 5.12 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 6th percentile within the compatible Yamaha classic power-to-weight comparison.
What is the Yamaha RS 100 DX displacement per pound?
The model has about 0.47 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 RS 100 DX weight difference versus the category median?
The representative wet weight is about 170.9 lb (77.5 kg) lighter than the median Yamaha classic motorcycle weight of 375.9 lb (170.5 kg) in this dataset.
Is the Yamaha RS 100 DX 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.