Across 7 covered model years from 1975 to 1985, the Yamaha RD 250 motorcycle has a listed wet/running weight of 348.3 lb (158 kg).
Yamaha RD 250 weight overview
The bike falls into a normal middleweight range. At road speed the mass is usually less obvious; parking, slopes and walking-speed maneuvers are where you notice it most.
Middleweight Motorcycle
How heavy is the Yamaha RD 250?
wet weight
Using a model-level wet weight comparison, the Yamaha RD 250 is lighter than about 96.4% of 42 Yamaha sport-touring 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 RD 250 weight & related specs
| Model years covered | 1975, 1977, 1978, 1979, 1980, 1981, 1985 |
|---|---|
| Wet / running weight | 348.3 lb (158 kg) |
| Engine displacement | 247 cc to 250 cc |
| Power | 27 hp to 38 hp |
| Fuel capacity | 4.23 US gal (16 L) to 4.49 US gal (17 L) |
| Full-tank fuel weight (estimated) | 26.3 lb (11.9 kg) to 27.9 lb (12.7 kg) |
Weight changes by model year
The 1975 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
| Horsepower per 100 lb | 7.75 hp / 100 lb to 10.91 hp / 100 lb |
|---|---|
| Pounds per horsepower | 9.17 lb / hp to 12.9 lb / hp |
| Displacement per pound | 0.71 cc / lb |
| Weight per 100 cc | 141 lb / 100 cc |
| Fuel weight as % of bike weight | 7.5% to 8% |
What the weight numbers tell you
Yamaha RD 250 weight FAQ
What is the Yamaha RD 250 wet weight?
The supplied wet/running weight is 348.3 lb (158 kg) across the model years covered here. That figure is the most useful available number for real-world handling because operating fluids and fuel are included.
Is the Yamaha RD 250 lighter or heavier than other Yamaha sport-touring motorcycles?
It is comparatively light for this Yamaha category. The model lands near the 4th percentile for weight in the compatible dataset.
Which Yamaha RD 250 years have different weight specs?
No clear weight change appears in the usable model-year data. Other specifications may still differ by year.
How much does a full tank add to the Yamaha RD 250?
Based on the supplied 4.23 US gal (16 L) to 4.49 US gal (17 L) tank capacity, the gasoline itself weighs about 26.3 lb (11.9 kg) to 27.9 lb (12.7 kg) when full. On models with a wet/running weight, that fuel mass is already included in the listed ready-to-ride figure.
What is the combined Yamaha RD 250 and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 528.3 lb (239.6 kg) before riding gear, luggage or a passenger.
What is the Yamaha RD 250 power-to-weight ratio?
Available model-year data produces 7.75 hp per 100 lb to 10.91 hp per 100 lb. It shows engine output relative to motorcycle mass rather than just quoting peak horsepower. That places it around the 2nd percentile within the compatible Yamaha sport touring power-to-weight comparison.
How large is the Yamaha RD 250 engine for its weight?
The available figures work out to 0.71 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
Is the Yamaha RD 250 above or below the typical Yamaha sport-touring motorcycle weight?
Compared with the median Yamaha sport-touring motorcycle weight of 486.1 lb (220.5 kg), the model is roughly 137.8 lb (62.5 kg) lighter.
Where will I notice the Yamaha RD 250 weight most?
Expect the weight to matter more off the throttle than at speed: garage movement, uneven footing and parking angle are the practical situations to think about.
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.