Kawasaki Z 900a4 vs Kawasaki Zx-6r: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Z 900a4
50%
MOT pass rate · 1 vehicles
Kawasaki Zx-6r
82%
MOT pass rate · 18,602 vehicles
Verdict: On MOT pass rate the Kawasaki Z 900a4 (50%) and Kawasaki Zx-6r (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Z 900a4 | Kawasaki Zx-6r |
|---|---|---|
| MOT pass rate | 50% | 82% ✓ |
| MOT failure rate | 50% | 18% ✓ |
| Faults & advisories per test | 4.0 | 0.9 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 63,805 mi | 28,430 mi |
| Sample size (vehicles) | 1 | 18,602 |
Most common faults
Kawasaki Z 900a4
- Exhaust noisy (7.1.2)
- Rear wheel bearings have slight free play (2.4.A.2c)
- Steering headbearing has slight free play (2.2.2)
- Wheel alignment slightly misaligned. (2.5.1)
- Front Tyre not fitted in accordance with side wall instruction/s (4.1.2e)
Kawasaki Zx-6r
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Exhaust noisy (7.1.2)
- Drive chain slightly loose (6.2.1d)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Exhaust noisy (8.1.1 (a))
Reliability FAQ
On MOT pass rate the Kawasaki Z 900a4 (50%) and Kawasaki Zx-6r (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Z 900a4 report Full Kawasaki Zx-6r report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.