Kawasaki Unknown vs Kawasaki Z250a: 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 Z250a
87%
MOT pass rate · 6 vehicles
Verdict: On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z250a (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Unknown | Kawasaki Z250a |
|---|---|---|
| MOT pass rate | 85% | 87% ✓ |
| MOT failure rate | 15% | 13% ✓ |
| Faults & advisories per test | 0.8 | 0.1 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 19,921 mi | 20,128 mi |
| Sample size (vehicles) | 151,652 | 6 |
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 Z250a
- Front Wheel more than one fixing loose spindle (5.2.1 (a) (ii))
- Front wheel bearings have slight free play (2.3.5b)
- Rear suspension bush has slight free play (2.4.A2a(i))
- Rear position lamp does not illuminate immediately when it is switched on (1.1.3a)
- Rear reflector on motorcycle missing (1.4.1)
Reliability FAQ
On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z250a (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Unknown report Full Kawasaki Z250a 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.