Across the 1984, 1985 and 1986 model years, the Yamaha XJ 750 S motorcycle has a listed wet/running weight of 531.3 lb (241 kg).
Yamaha XJ 750 S weight overview
At this weight, footing and parking technique matter. Once moving, geometry and balance can disguise the mass, but you still have to manage the full weight at walking speed.
Heavy Motorcycle
How heavy is the Yamaha XJ 750 S?
wet weight
Using a model-level wet weight comparison, the Yamaha XJ 750 S is heavier than about 95.6% 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 XJ 750 S weight & related specs
| Model years covered | 1984, 1985, 1986 |
|---|---|
| Wet / running weight | 531.3 lb (241 kg) |
| Engine displacement | 749 cc |
| Power | 87 hp |
| Fuel capacity | 5.81 US gal (22 L) |
| Full-tank fuel weight (estimated) | 36.1 lb (16.4 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 16.37 hp / 100 lb |
|---|---|
| Pounds per horsepower | 6.11 lb / hp |
| Displacement per pound | 1.41 cc / lb |
| Weight per 100 cc | 70.9 lb / 100 cc |
| Fuel weight as % of bike weight | 6.8% |
What the weight numbers tell you
Yamaha XJ 750 S weight FAQ
What is the Yamaha XJ 750 S wet weight?
The supplied wet/running weight is 531.3 lb (241 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 XJ 750 S lighter or heavier than other Yamaha classic motorcycles?
Compared with similar Yamahas in this dataset, it is heavier than about 95.6% of 34 classic motorcycles using the same weight basis.
Which Yamaha XJ 750 S 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 XJ 750 S?
Based on the supplied 5.81 US gal (22 L) tank capacity, the gasoline itself weighs about 36.1 lb (16.4 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 XJ 750 S and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 711.3 lb (322.6 kg) before riding gear, luggage or a passenger.
What is the Yamaha XJ 750 S power-to-weight ratio?
Available model-year data produces 16.37 hp per 100 lb. It shows engine output relative to motorcycle mass rather than just quoting peak horsepower. That places it around the 77th percentile within the compatible Yamaha classic power-to-weight comparison.
How large is the Yamaha XJ 750 S engine for its weight?
The available figures work out to 1.41 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 XJ 750 S above or below the typical Yamaha classic motorcycle weight?
Compared with the median Yamaha classic motorcycle weight of 375.9 lb (170.5 kg), the model is roughly 155.4 lb (70.5 kg) heavier.
Where will I notice the Yamaha XJ 750 S weight most?
The main challenge is low-speed and stationary handling. Once moving the chassis may disguise the mass, but backing up or holding it on a slope still means managing the full weight.
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.