Across 7 covered model years from 1975 to 1988, the Yamaha RD 350 motorcycle has supplied wet/running weights ranging from 330.7 lb (150 kg) to 374.8 lb (170 kg) and dry weights ranging from 315.3 lb (143 kg), depending on model year.
Yamaha RD 350 weight overview
This is neither unusually light nor extremely heavy. For most riders the practical weight question is more about seat height, center of mass and low-speed balance than the scale number alone.
Middleweight Motorcycle
How heavy is the Yamaha RD 350?
wet weight
Using a model-level wet weight comparison, the Yamaha RD 350 is lighter than about 94% of 42 Yamaha sport-touring 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 RD 350 weight & related specs
| Model years covered | 1975, 1980, 1981, 1985, 1986, 1987, 1988 |
|---|---|
| Wet / running weight | 330.7 lb (150 kg) to 374.8 lb (170 kg) |
| Dry weight | 315.3 lb (143 kg) |
| Engine displacement | 347 cc |
| Power | 63 hp |
| Torque | 29.6 lb-ft (40.2 Nm) |
| Fuel capacity | 4.23 US gal (16 L) to 5.28 US gal (20 L) |
| Full-tank fuel weight (estimated) | 26.3 lb (11.9 kg) to 32.8 lb (14.9 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 | 16.81 hp / 100 lb |
|---|---|
| Pounds per horsepower | 5.95 lb / hp |
| Torque per 100 lb | 8.97 lb-ft / 100 lb |
| Displacement per pound | 0.93 cc / lb to 1.05 cc / lb |
| Weight per 100 cc | 95.3 lb / 100 cc to 108 lb / 100 cc |
| Fuel weight as % of bike weight | 7.4% to 8.8% |
| Weight with full tank | 343.2 lb (155.7 kg) |
What the weight numbers tell you
Yamaha RD 350 weight FAQ
What does the Yamaha RD 350 weigh ready to ride?
The supplied figures span 330.7 lb (150 kg) to 374.8 lb (170 kg) for wet/running weight and 315.3 lb (143 kg) for dry weight across the years in this page. Wet weight is the better guide to what you actually manage on the road.
Is the Yamaha RD 350 heavy compared with other Yamaha sport-touring motorcycles?
It is on the lighter side in this dataset. Its representative wet weight sits around the 6th weight percentile among 42 Yamaha sport-touring motorcycles, meaning most compatible models are heavier.
Does the Yamaha RD 350 weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Yamaha RD 350 fuel weigh?
The listed tank capacity is 4.23 US gal (16 L) to 5.28 US gal (20 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 26.3 lb (11.9 kg) to 32.8 lb (14.9 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha RD 350 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 554.8 lb (251.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha RD 350 have per 100 lb?
Where compatible power and weight figures are available, it works out to 16.81 hp per 100 lb. That places it around the 40th percentile within the compatible Yamaha sport touring power-to-weight comparison.
How much heavier is the Yamaha RD 350 with a full tank?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 343.2 lb (155.7 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
What is the difference between Yamaha RD 350 dry and wet weight?
The supplied model-year data shows roughly 15.4 lb (7 kg) between dry and wet/running weight. The exact gap can vary by year and by the manufacturer’s weight definition.
How much torque does the Yamaha RD 350 have per 100 lb?
The calculated torque-to-weight range is 8.97 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
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.