Across 5 covered model years from 1980 to 1984, the Yamaha XJ 650 motorcycle has a listed wet/running weight of 509.3 lb (231 kg).
Yamaha XJ 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 XJ 650?
wet weight
Using a model-level wet weight comparison, the Yamaha XJ 650 is heavier than about 84.8% of 69 Yamaha naked bikes 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 XJ 650 weight & related specs
| Model years covered | 1980, 1981, 1982, 1983, 1984 |
|---|---|
| Wet / running weight | 509.3 lb (231 kg) |
| Engine displacement | 653 cc |
| Power | 71 hp |
| Fuel capacity | 5.42 US gal (20.5 L) |
| Full-tank fuel weight (estimated) | 33.7 lb (15.3 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 13.94 hp / 100 lb |
|---|---|
| Pounds per horsepower | 7.17 lb / hp |
| Displacement per pound | 1.28 cc / lb |
| Weight per 100 cc | 78 lb / 100 cc |
| Fuel weight as % of bike weight | 6.6% |
What the weight numbers tell you
Yamaha XJ 650 weight FAQ
How heavy is the Yamaha XJ 650 ready to ride?
Listed ready-to-ride weight is 509.3 lb (231 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Yamaha XJ 650 heavy compared with other Yamaha naked bikes?
Relatively speaking, it is on the heavier side. The model sits near the 85th weight percentile in its Yamaha category, so it is heavier than most of the compatible comparison set.
Does the Yamaha XJ 650 weight change by model year?
Not in the usable weight data on this page. Across the covered 1980-1984 years, the supplied weight figure remains the same where comparable values are available.
How much does the Yamaha XJ 650 fuel weigh?
The listed tank capacity is 5.42 US gal (20.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 33.7 lb (15.3 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha XJ 650 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 689.3 lb (312.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha XJ 650 have per 100 lb?
Where compatible power and weight figures are available, it works out to 13.94 hp per 100 lb. That places it around the 58th percentile within the compatible Yamaha naked bike power-to-weight comparison.
How large is the Yamaha XJ 650 engine for its weight?
Engine displacement relative to bike weight is 1.28 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Is the Yamaha XJ 650 above or below the typical Yamaha naked bike weight?
The model sits about 90.4 lb (41 kg) heavier than the compatible median Yamaha naked bike weight used on this page.
Will the Yamaha XJ 650 feel heavy at low speed?
It is heavy enough that smart parking matters. Avoid situations where you have to paddle it backward uphill or catch it after it leans too far.
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.