Across the 1981 and 1982 model years, the Yamaha XJ 750 Seca motorcycle has a listed wet/running weight of 531.3 lb (241 kg).
Yamaha XJ 750 Seca 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 Seca?
wet weight
Using a model-level wet weight comparison, the Yamaha XJ 750 Seca is heavier than about 63.1% 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 XJ 750 Seca weight & related specs
| Model years covered | 1981, 1982 |
|---|---|
| Wet / running weight | 531.3 lb (241 kg) |
| Engine displacement | 748 cc |
| Torque | 49.4 lb-ft (67 Nm) |
| Fuel capacity | 4.76 US gal (18 L) |
| Full-tank fuel weight (estimated) | 29.6 lb (13.4 kg) |
Weight changes by model year
Useful weight calculations
| Torque per 100 lb | 9.3 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.41 cc / lb |
| Weight per 100 cc | 71 lb / 100 cc |
| Fuel weight as % of bike weight | 5.6% |
What the weight numbers tell you
Yamaha XJ 750 Seca weight FAQ
What is the Yamaha XJ 750 Seca 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 Seca lighter or heavier than other Yamaha sport-touring motorcycles?
Weight is broadly typical for the category, landing around the 63rd percentile in this model-level Yamaha comparison.
Which Yamaha XJ 750 Seca 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 Seca?
Based on the supplied 4.76 US gal (18 L) tank capacity, the gasoline itself weighs about 29.6 lb (13.4 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 Seca 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.
How much torque does the Yamaha XJ 750 Seca have per 100 lb?
Where compatible torque and weight figures are available, the model works out to 9.3 lb-ft per 100 lb. This gives more context than torque alone because it relates engine twist to the mass it has to move.
What is the Yamaha XJ 750 Seca displacement per pound?
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.
What is the Yamaha XJ 750 Seca weight difference versus the category median?
Compared with the median Yamaha sport-touring motorcycle weight of 486.1 lb (220.5 kg), the model is roughly 45.2 lb (20.5 kg) heavier.
Where will I notice the Yamaha XJ 750 Seca 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.