Across the 1978 and 1980 model years, the Kawasaki Z 400 B motorcycle has supplied wet/running weights ranging from 401.2 lb (182 kg) to 412.3 lb (187 kg).
Kawasaki Z 400 B weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass.
Middleweight Motorcycle
How heavy is the Kawasaki Z 400 B?
wet weight
Using a model-level wet weight comparison, the Kawasaki Z 400 B is lighter than about 94.2% of 26 Kawasaki touring motorcycles 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.
Kawasaki Z 400 B weight & related specs
| Model years covered | 1978, 1980 |
|---|---|
| Wet / running weight | 401.2 lb (182 kg) to 412.3 lb (187 kg) |
| Engine displacement | 390 cc to 399 cc |
| Fuel capacity | 3.7 US gal (14 L) |
| Full-tank fuel weight (estimated) | 23 lb (10.4 kg) |
Weight changes by model year
The 1978 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
| Displacement per pound | 0.97 cc / lb |
|---|---|
| Weight per 100 cc | 102.9 lb / 100 cc to 103.3 lb / 100 cc |
| Fuel weight as % of bike weight | 5.6% to 5.7% |
What the weight numbers tell you
Kawasaki Z 400 B weight FAQ
How much does the Kawasaki Z 400 B weigh?
The available wet/running figure is 401.2 lb (182 kg) to 412.3 lb (187 kg). This is more representative of the motorcycle you actually push, park and ride than a dry-only specification.
How does the Kawasaki Z 400 B weight compare with similar Kawasakis?
Relatively light. On a model-level comparison, it is lighter than about 94.2% of 26 Kawasaki touring motorcycles with the same weight basis.
Are all Kawasaki Z 400 B model years the same weight?
There are year-to-year differences in the supplied data. The earliest covered year is used as the baseline, with later changed values shown separately above.
What does a full tank of gas weigh on the Kawasaki Z 400 B?
A full tank works out to about 23 lb (10.4 kg) from the listed 3.7 US gal (14 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Kawasaki Z 400 B weigh with a 180 lb rider?
The approximate combined total is 586.8 lb (266.1 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
How many cc does the Kawasaki Z 400 B have per pound?
The model has about 0.97 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How does the Kawasaki Z 400 B compare with the median Kawasaki touring motorcycle weight?
The representative wet weight is about 379.4 lb (172.1 kg) lighter than the median Kawasaki touring motorcycle weight of 786.2 lb (356.6 kg) in this dataset.
Is the Kawasaki Z 400 B easy to move around by hand?
The number is manageable for a road bike, but you still notice it when parking, making tight low-speed turns or catching a lean. On the move, chassis balance can make it feel lighter than the scale suggests.
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.