Across 7 covered model years from 1981 to 1988, the Suzuki GSX 400 S motorcycle has supplied wet/running weights ranging from 418.9 lb (190 kg) to 427.7 lb (194 kg).
Suzuki GSX 400 S weight overview
The bike falls into a normal middleweight range. At road speed the mass is usually less obvious; parking, slopes and walking-speed maneuvers are where you notice it most.
Middleweight Motorcycle
How heavy is the Suzuki GSX 400 S?
wet weight
Using a model-level wet weight comparison, the Suzuki GSX 400 S is lighter than about 59.6% of 47 Suzuki naked bikes with compatible weight data.
Ready-to-ride weight range
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Suzuki GSX 400 S weight & related specs
| Model years covered | 1981, 1983, 1984, 1985, 1986, 1987, 1988 |
|---|---|
| Wet / running weight | 418.9 lb (190 kg) to 427.7 lb (194 kg) |
| Engine displacement | 399 cc |
| Power | 27 hp |
| 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 1981 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 | 6.45 hp / 100 lb |
|---|---|
| Pounds per horsepower | 15.51 lb / hp |
| Displacement per pound | 0.93 cc / lb to 0.95 cc / lb |
| Weight per 100 cc | 105 lb / 100 cc to 107.2 lb / 100 cc |
| Fuel weight as % of bike weight | 5.8% to 5.9% |
What the weight numbers tell you
Suzuki GSX 400 S weight FAQ
What is the Suzuki GSX 400 S wet weight?
The supplied wet/running weight is 418.9 lb (190 kg) to 427.7 lb (194 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 Suzuki GSX 400 S lighter or heavier than other Suzuki naked bikes?
Weight is broadly typical for the category, landing around the 40th percentile in this model-level Suzuki comparison.
Which Suzuki GSX 400 S years have different weight specs?
The supplied data shows different weight figures across the 1981, 1983, 1984, 1985, 1986, 1987, 1988 model years. Use the year-specific changes section above for the exact value attached to each changed year.
How much does a full tank add to the Suzuki GSX 400 S?
Based on the supplied 3.96 US gal (15 L) tank capacity, the gasoline itself weighs about 24.6 lb (11.2 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 Suzuki GSX 400 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 598.9 lb (271.6 kg) before riding gear, luggage or a passenger.
What is the Suzuki GSX 400 S power-to-weight ratio?
Available model-year data produces 6.45 hp per 100 lb. It shows engine output relative to motorcycle mass rather than just quoting peak horsepower. That places it around the 30th percentile within the compatible Suzuki naked bike power-to-weight comparison.
How large is the Suzuki GSX 400 S engine for its weight?
The available figures work out to 0.93 cc per lb to 0.95 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
What are the lightest and heaviest Suzuki GSX 400 S years?
Among years with usable comparable figures, 1983-1988 is the lightest at 418.9 lb (190 kg), while 1981 is the heaviest at 427.7 lb (194 kg).
Is the Suzuki GSX 400 S above or below the typical Suzuki naked bike weight?
Compared with the median Suzuki naked bike weight of 436.5 lb (198 kg), the model is roughly 17.6 lb (8 kg) lighter.
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 Suzuki Cycles website.