Kawasaki Bn125a5 vs Kawasaki Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Bn125a5
78%
MOT pass rate · 104 vehicles
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
More reliable
Verdict: On MOT pass rate, the Kawasaki Unknown is the more reliable of the two — 85% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Kawasaki Bn125a5 | Kawasaki Unknown |
|---|---|---|
| MOT pass rate | 78% | 85% ✓ |
| MOT failure rate | 22% | 15% ✓ |
| Faults & advisories per test | 1.0 | 0.8 ✓ |
| Dangerous-fault share | 1% ✓ | 3% |
| Average mileage | 16,129 mi | 19,921 mi |
| Sample size (vehicles) | 104 | 151,652 |
Most common faults
Kawasaki Bn125a5
- Drive chain slightly loose (6.2.1d)
- Drive chain worn but not considered excessive (6.2.1e)
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Rear Drive chain sprocket slightly worn (6.2.1e)
- Headlamp aim too low (1.6)
- Drive chain excessively loose (6.2.1d)
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))
Reliability FAQ
On MOT pass rate, the Kawasaki Unknown is the more reliable of the two — 85% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Kawasaki Bn125a5 report Full Kawasaki Unknown 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.