Across 9 covered model years from 1975 to 1984, the Yamaha XS 650 motorcycle has supplied wet/running weights ranging from 487.2 lb (221 kg) to 500.4 lb (227 kg) and dry weights ranging from 421.1 lb (191 kg), depending on model year.
Yamaha XS 650 weight overview
This is firmly on the heavier side. The real penalty is not necessarily normal riding; it is low-speed work, awkward parking and moving the bike around manually.
Heavy Motorcycle
How heavy is the Yamaha XS 650?
wet weight
Using a model-level wet weight comparison, the Yamaha XS 650 is heavier than about 89.7% of 34 Yamaha classic 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 XS 650 weight & related specs
| Model years covered | 1975, 1976, 1977, 1978, 1979, 1981, 1982, 1983, 1984 |
|---|---|
| Wet / running weight | 487.2 lb (221 kg) to 500.4 lb (227 kg) |
| Dry weight | 421.1 lb (191 kg) |
| Engine displacement | 654 cc |
| Power | 50 hp |
| Torque | 39.8 lb-ft (54 Nm) |
| Fuel capacity | 3.96 US gal (15 L) |
| Full-tank fuel weight (estimated) | 24.6 lb (11.2 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 | 9.99 hp / 100 lb |
|---|---|
| Pounds per horsepower | 10.01 lb / hp |
| Torque per 100 lb | 8.03 lb-ft / 100 lb |
| Displacement per pound | 1.31 cc / lb to 1.34 cc / lb |
| Weight per 100 cc | 74.5 lb / 100 cc to 76.5 lb / 100 cc |
| Fuel weight as % of bike weight | 4.9% to 5.1% |
| Weight with full tank | 445.7 lb (202.2 kg) |
What the weight numbers tell you
Yamaha XS 650 weight FAQ
What does the Yamaha XS 650 weigh ready to ride?
The supplied figures span 487.2 lb (221 kg) to 500.4 lb (227 kg) for wet/running weight and 421.1 lb (191 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 XS 650 heavy compared with other Yamaha classic motorcycles?
Relatively speaking, it is on the heavier side. The model sits near the 90th weight percentile in its Yamaha category, so it is heavier than most of the compatible comparison set.
Does the Yamaha XS 650 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 XS 650 fuel weigh?
The listed tank capacity is 3.96 US gal (15 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 24.6 lb (11.2 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha XS 650 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 676 lb (306.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha XS 650 have per 100 lb?
Where compatible power and weight figures are available, it works out to 9.99 hp per 100 lb. That places it around the 65th percentile within the compatible Yamaha classic power-to-weight comparison.
What is the estimated Yamaha XS 650 weight with a full tank of gas?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 445.7 lb (202.2 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
What is the difference between Yamaha XS 650 dry and wet weight?
The supplied model-year data shows roughly 75 lb (34 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 XS 650 have per 100 lb?
The calculated torque-to-weight range is 8.03 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.