Across the 2018 and 2025 model years, the Yamaha FZ-S motorcycle has a listed wet/running weight of 297.6 lb (135 kg).
Yamaha FZ-S weight overview
The weight is relatively manageable, so the bike should demand less effort than a heavyweight machine when backing up, parking or making slow-speed corrections.
Light Motorcycle
How heavy is the Yamaha FZ-S?
wet weight
Using a model-level wet weight comparison, the Yamaha FZ-S is lighter than about 88.6% of 83 Yamaha sport 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 FZ-S weight & related specs
| Model years covered | 2018, 2025 |
|---|---|
| Wet / running weight | 297.6 lb (135 kg) |
| Engine displacement | 153 cc |
| Torque | 10 lb-ft (13.6 Nm) |
| Fuel capacity | 3.17 US gal (12 L) |
| Full-tank fuel weight (estimated) | 19.7 lb (8.9 kg) |
Weight by model year
Useful weight calculations
| Torque per 100 lb | 3.37 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 0.51 cc / lb |
| Weight per 100 cc | 194.5 lb / 100 cc |
| Fuel weight as % of bike weight | 6.6% |
What the weight numbers tell you
Yamaha FZ-S weight FAQ
What is the Yamaha FZ-S wet weight?
The supplied wet/running weight is 297.6 lb (135 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 FZ-S lighter or heavier than other Yamaha sport bikes?
It is comparatively light for this Yamaha category. The model lands near the 11th percentile for weight in the compatible dataset.
Which Yamaha FZ-S years have different weight specs?
There is not enough comparable model-year weight data to determine a year-to-year change. A usable weight figure is available for 2018. No usable dry/wet figure was supplied for 2025.
How much does a full tank add to the Yamaha FZ-S?
Based on the supplied 3.17 US gal (12 L) tank capacity, the gasoline itself weighs about 19.7 lb (8.9 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 FZ-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 477.6 lb (216.6 kg) before riding gear, luggage or a passenger.
What is the Yamaha FZ-S torque per 100 lb of bike weight?
Where compatible torque and weight figures are available, the model works out to 3.37 lb-ft per 100 lb. This gives more context than torque alone because it relates engine twist to the mass it has to move.
How many cc does the Yamaha FZ-S have per pound?
The available figures work out to 0.51 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
How does the Yamaha FZ-S compare with the median Yamaha sport bike weight?
Compared with the median Yamaha sport bike weight of 414 lb (187.8 kg), the model is roughly 116.4 lb (52.8 kg) lighter.
Where will I notice the Yamaha FZ-S weight most?
Expect the weight to matter more off the throttle than at speed: garage movement, uneven footing and parking angle are the practical situations to think about.
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.