Kawasaki Unknown vs Kawasaki Z-1: 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 Z-1
62%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z-1 (62%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Unknown | Kawasaki Z-1 |
|---|---|---|
| MOT pass rate | 85% ✓ | 62% |
| MOT failure rate | 15% ✓ | 38% |
| Faults & advisories per test | 0.8 | 0.6 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 19,921 mi | 13,556 mi |
| Sample size (vehicles) | 151,652 | 2 |
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 Z-1
- Front Brake lever has inadequate reserve travel (3.1.3b)
- Rear Brake caliper(s) securing bolt(s) missing (3.2.A1j)
- Rear Tyre fouling another component (4.1.4)
- Registration plate incorrect (6.3.1a)
- Wheel alignment incorrect which adversely affects the handling (2.5.1)
- Horn not working (1.7.3a)
Reliability FAQ
On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z-1 (62%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Unknown report Full Kawasaki Z-1 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.