Kawasaki Unknown vs Kawasaki Z1a 900: 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 Z1a 900
89%
MOT pass rate · 8 vehicles
Verdict: On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z1a 900 (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Unknown | Kawasaki Z1a 900 |
|---|---|---|
| MOT pass rate | 85% | 89% ✓ |
| MOT failure rate | 15% | 11% ✓ |
| Faults & advisories per test | 0.8 | 0.2 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 19,921 mi | 30,107 mi |
| Sample size (vehicles) | 151,652 | 8 |
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 Z1a 900
- Front Stop lamp switch does not operate in accordance with the requirements (4.3.2 (a) (i))
- Front soft fork action
- Nearside Front Shock absorber has a light misting of oil (5.3.2 (b))
- Nearside Front Dipswitch does not operate immediately when selected on dipped beam wired wrong way (4.1.3 (b))
- Nearside Front Dipswitch does not operate immediately when selected on main beam wired wrong way (4.1.3 (b))
- Rear Stop lamp not working adjust rear switch (4.3.1 (a) (ii))
Reliability FAQ
On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z1a 900 (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Unknown report Full Kawasaki Z1a 900 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.