Kawasaki Bn450 vs Kawasaki Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Bn450
83%
MOT pass rate · 1 vehicles
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
Verdict: On MOT pass rate the Kawasaki Bn450 (83%) and Kawasaki Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Bn450 | Kawasaki Unknown |
|---|---|---|
| MOT pass rate | 83% | 85% ✓ |
| MOT failure rate | 17% | 15% ✓ |
| Faults & advisories per test | 0.9 | 0.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 99,999 mi | 19,921 mi |
| Sample size (vehicles) | 1 | 151,652 |
Most common faults
Kawasaki Bn450
- Drive belt slightly loose (6.2.1d)
- Rear Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Sidecar wheel bearings are slightly rough (5.2.3d)
- Front Roller brake test indicates a slightly grabbing brake (3.3.A1b)
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Front Brake disc(s) slightly pitted (3.2.A1l)
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 Bn450 (83%) and Kawasaki Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Bn450 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.