For the 1990 model year, the Kawasaki ZR 550B Zephyr motorcycle has a supplied wet/running weight of 454.2 lb (206 kg) and a dry weight of 394.6 lb (179 kg).
Kawasaki ZR 550B Zephyr 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 Kawasaki ZR 550B Zephyr?
wet weight
Using a model-level wet weight comparison, the Kawasaki ZR 550B Zephyr is lighter than about 54.9% of 144 Kawasaki motorcycles with compatible weight data.
Dry vs 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.
Kawasaki ZR 550B Zephyr weight & related specs
| Model years covered | 1990 |
|---|---|
| Wet / running weight | 454.2 lb (206 kg) |
| Dry weight | 394.6 lb (179 kg) |
| Engine displacement | 553 cc |
| Torque | 29.5 lb-ft (40 Nm) |
| Fuel capacity | 3.96 US gal (14.98 L) |
| Full-tank fuel weight (estimated) | 24.6 lb (11.2 kg) |
Useful weight calculations
| Torque per 100 lb | 6.5 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.22 cc / lb |
| Weight per 100 cc | 82.1 lb / 100 cc |
| Fuel weight as % of bike weight | 5.4% |
| Weight with full tank | 419.2 lb (190.2 kg) |
What the weight numbers tell you
Kawasaki ZR 550B Zephyr weight FAQ
What is the Kawasaki ZR 550B Zephyr dry and wet weight?
Across the covered 1990 years, listed wet/running weight is 454.2 lb (206 kg) and listed dry weight is 394.6 lb (179 kg). Check the year-change section because the exact figure can vary by model year.
Is the Kawasaki ZR 550B Zephyr lighter or heavier than other Kawasaki motorcycles?
Weight is broadly typical for the category, landing around the 45th percentile in this model-level Kawasaki comparison.
How much does a full tank add to the Kawasaki ZR 550B Zephyr?
Based on the supplied 3.96 US gal (14.98 L) tank capacity, the gasoline itself weighs about 24.6 lb (11.2 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Kawasaki ZR 550B Zephyr and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 634.2 lb (287.6 kg) before riding gear, luggage or a passenger.
What is the estimated Kawasaki ZR 550B Zephyr weight with a full tank of gas?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 419.2 lb (190.2 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
How much torque does the Kawasaki ZR 550B Zephyr have per 100 lb?
Where compatible torque and weight figures are available, the model works out to 6.5 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 Kawasaki ZR 550B Zephyr displacement per pound?
The available figures work out to 1.22 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 Kawasaki ZR 550B Zephyr weight difference versus the category median?
Compared with the median Kawasaki motorcycle weight of 463.5 lb (210.2 kg), the model is roughly 9.4 lb (4.2 kg) lighter.
Where will I notice the Kawasaki ZR 550B Zephyr 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 Kawasaki website.