Kawasaki Z 400 vs Kawasaki Zx-9r: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Z 400
92%
MOT pass rate · 8 vehicles
Kawasaki Zx-9r
84%
MOT pass rate · 8,856 vehicles
Verdict: On MOT pass rate the Kawasaki Z 400 (92%) and Kawasaki Zx-9r (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Z 400 | Kawasaki Zx-9r |
|---|---|---|
| MOT pass rate | 92% ✓ | 84% |
| MOT failure rate | 8% ✓ | 16% |
| Faults & advisories per test | 0.5 ✓ | 0.8 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 27,674 mi | 32,039 mi |
| Sample size (vehicles) | 8 | 8,856 |
Most common faults
Kawasaki Z 400
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Wheel spoke slightly loose. (4.2.1b)
- Drive chain slightly loose (6.2.1d)
- Offside Front shock absorber has light misting of stanchion (2.3.3)
- Rear suspension bush has slight free play (2.4.A2a(i))
- Steering headbearing has slight free play (2.2.2)
Kawasaki Zx-9r
- 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)
- Exhaust noisy (8.1.1 (a))
- Drive chain slightly loose (6.2.1d)
- Front Brake pad(s) close to minimum limit (3.2.A1f(i))
Reliability FAQ
On MOT pass rate the Kawasaki Z 400 (92%) and Kawasaki Zx-9r (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Z 400 report Full Kawasaki Zx-9r 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.