Across the 1976, 1977 and 1978 model years, the Kawasaki Z 650 motorcycle has a listed wet/running weight of 485 lb (220 kg).
Kawasaki Z 650 weight overview
This is firmly on the heavier side. The real penalty is not necessarily normal riding; it is low-speed work, awkward parking and moving the bike around manually.
Heavy Motorcycle
How heavy is the Kawasaki Z 650?
wet weight
Using a model-level wet weight comparison, the Kawasaki Z 650 is lighter than about 75% of 50 Kawasaki 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.
Kawasaki Z 650 weight & related specs
| Model years covered | 1976, 1977, 1978 |
|---|---|
| Wet / running weight | 485 lb (220 kg) |
| Engine displacement | 652 cc |
| Power | 66 hp |
| Fuel capacity | 4.36 US gal (16.5 L) |
| Full-tank fuel weight (estimated) | 27.1 lb (12.3 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 13.61 hp / 100 lb |
|---|---|
| Pounds per horsepower | 7.35 lb / hp |
| Displacement per pound | 1.34 cc / lb |
| Weight per 100 cc | 74.4 lb / 100 cc |
| Fuel weight as % of bike weight | 5.6% |
What the weight numbers tell you
Kawasaki Z 650 weight FAQ
How heavy is the Kawasaki Z 650 ready to ride?
Listed ready-to-ride weight is 485 lb (220 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Kawasaki Z 650 heavy compared with other Kawasaki sport-touring motorcycles?
It is on the lighter side in this dataset. Its representative wet weight sits around the 25th weight percentile among 50 Kawasaki sport-touring motorcycles, meaning most compatible models are heavier.
Does the Kawasaki Z 650 weight change by model year?
Not in the usable weight data on this page. Across the covered 1976-1978 years, the supplied weight figure remains the same where comparable values are available.
How much does the Kawasaki Z 650 fuel weigh?
The listed tank capacity is 4.36 US gal (16.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 27.1 lb (12.3 kg). That is an estimate for fuel mass, not an official Kawasaki curb-weight calculation.
How heavy is the Kawasaki Z 650 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 665 lb (301.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Kawasaki Z 650 have per 100 lb?
Where compatible power and weight figures are available, it works out to 13.61 hp per 100 lb. That places it around the 12th percentile within the compatible Kawasaki sport touring power-to-weight comparison.
How large is the Kawasaki Z 650 engine for its weight?
Engine displacement relative to bike weight is 1.34 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Is the Kawasaki Z 650 above or below the typical Kawasaki sport-touring motorcycle weight?
The model sits about 73.3 lb (33.2 kg) lighter than the compatible median Kawasaki sport-touring motorcycle weight used on this page.
Will the Kawasaki Z 650 feel heavy at low speed?
It is heavy enough that smart parking matters. Avoid situations where you have to paddle it backward uphill or catch it after it leans too far.
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.