KAWASAKI Ninja 650 vs KAWASAKI Z650
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Scores, summary & seat (optional) Estimates and auto text from specs — open if you want them.
Technical score (estimate)
Weighted mix of power, torque, power-to-weight, top speed and lighter weight within this comparison only. Not a real-world verdict — riding style and roads matter.
Usage fit (estimate)
Rough scores for city riding, touring, sporty riding and new riders — mix of specs and bike category. Same caveats as the technical score: traffic, skill and tyres matter.
City / commute
Touring / long rides
Sporty riding
New rider friendly
Seat height (cm)
Figures are as in the database; boots, suspension sag and road surface change how tall the bike feels.
- KAWASAKI Ninja 650 79 cm Lowest seat here
- KAWASAKI Z650 79 cm Lowest seat here
Rough guide: comfortable flat-foot reach often needs inseam roughly in the same ballpark as seat height (varies a lot by ergonomics).
Auto summary from specs
Generated from the numbers in the comparison — not a review.
- Claimed power figures are very close across these bikes.
- Torque figures are very close.
- Weight spans 188 kg (KAWASAKI Z650) to 193 kg (KAWASAKI Ninja 650).
- Engine sizes are very close.
All values look the same; turn off the filter.
| Specification | KAWASAKI Ninja 650 | KAWASAKI Z650 |
|---|---|---|
| Brand | KAWASAKI | KAWASAKI |
| Model | KAWASAKI Ninja 650 | KAWASAKI Z650 |
| Engine size | 650cc | 650cc |
| Power | 68hp | 68hp |
| Torque | 64nm. | 64nm. |
| Cylinders / valves | Twin cylinder, 8 valves | Twin cylinder, 8 valves |
| Weight | 193kg | 188kg |
| Front brake | 300 mm dual disc, dual-piston caliper | 300 mm dual discs, dual-piston caliper |
| Rear brake | 220 mm single disc, single-piston caliper | 220 mm single disc, single-piston caliper |
| Seat height (cm) | 79cm | 79cm |
| Front tyre | 120/70 ZR17 | 120/70ZR17M/C (58W) |
| Rear tyre | 160/60 ZR17 | 160/60ZR17M/C (69W) |
| Cooling | Liquid cooling | Liquid cooling |
| Front suspension | 41 mm telescopic fork | 41 mm telescopic fork |
| Rear suspension | Horizontal back-link with preload adjustment | Horizontal back-link with preload adjustment |
| Motorcycle type | Supersport | Naked |
| Top speed | 220km/h | 220km/h |
| Fuel capacity / consumption | 15 L – 4.5 L/100km | 15 L – 4 L/100km |
| Service network | ||
| Service quality | ||
| Parts availability | ||
| Price | $8299 | $8149 |
| Brand price lists | View KAWASAKI price list | View KAWASAKI price list |
| Extra features | -Assist & Slipper Clutch -Economic Riding Indicator |
-Assist Slipper Clutch -Economical Riding Indicator -Dual Throttle Valves |
Opinions
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2023 KAWASAKI Ninja 650 vs 2023 KAWASAKI Z650: listed specifications
The 2023 KAWASAKI Ninja 650 and 2023 KAWASAKI Z650 are closely matched on the listed specifications that can be compared.
Engine displacement
Ninja 650 and Z650 have very similar engine displacement (650 cc vs 650 cc).
Peak power
Ninja 650 and Z650 have very similar peak power (68 hp vs 68 hp).
Torque
Ninja 650 and Z650 have very similar listed torque (64 Nm vs 64 Nm).
Listed top speed
Ninja 650 and Z650 have very similar listed top speeds (220 km/h vs 220 km/h).
Cooling
Both motorcycles are listed as liquid-cooled.
Weight and seat height
Ninja 650 and Z650 have very similar listed weights (193 kg vs 188 kg). Ninja 650 and Z650 have very similar seat heights (79 cm vs 79 cm).
Conclusion
The listed specifications that can be compared remain relatively close.
Frequently asked questions
What is the top speed of KAWASAKI Ninja 650 vs KAWASAKI Z650?
Both are listed at 220 km/h (137 mph) top speed in our specification data.
Which has more horsepower, KAWASAKI Ninja 650 or KAWASAKI Z650?
Both are rated at 68 hp in our database.
Which is lighter, KAWASAKI Ninja 650 or KAWASAKI Z650?
KAWASAKI Z650 is lighter at 188 kg vs 193 kg for KAWASAKI Ninja 650.
Which is better, KAWASAKI Ninja 650 or KAWASAKI Z650?
It depends on your riding style. Compare top speed, weight, fuel use and price in the table on this page, then vote for the bike you prefer.
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