Kawasaki Unknown vs Kawasaki Zx-9: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
Kawasaki Zx-9
70%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Zx-9 (70%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Unknown | Kawasaki Zx-9 |
|---|---|---|
| MOT pass rate | 85% ✓ | 70% |
| MOT failure rate | 15% ✓ | 30% |
| Faults & advisories per test | 0.8 ✓ | 1.4 |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 19,921 mi | 27,556 mi |
| Sample size (vehicles) | 151,652 | 4 |
Most common faults
Kawasaki Unknown
- Exhaust noisy (8.1.1 (a))
- Front Brake indicates slight fluctuation of brake effort (1.2.1 (e))
- COVID-19 6 MONTH EXTENSION
- Rear reflector missing (4.8.2 (a) (ii))
- Front Tyre worn close to the legal limit (5.2.3 (e))
- Drive chain slightly loose (6.1.7 (c) (i))
Kawasaki Zx-9
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Front Roller brake test indicates a binding brake (3.3.A1a)
- Headlamp aim too low (1.6)
- Rear Brake disc(s) slightly worn (3.2.A1l)
- Drive chain slightly loose (6.2.1d)
Reliability FAQ
On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Zx-9 (70%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Unknown report Full Kawasaki Zx-9 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.