Kawasaki Zx-6r vs Kawasaki Zzr 400: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Zx-6r
82%
MOT pass rate · 18,602 vehicles
More reliable
Kawasaki Zzr 400
76%
MOT pass rate · 32 vehicles
Verdict: On MOT pass rate, the Kawasaki Zx-6r is the more reliable of the two — 82% pass first time versus 76%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Kawasaki Zx-6r | Kawasaki Zzr 400 |
|---|---|---|
| MOT pass rate | 82% ✓ | 76% |
| MOT failure rate | 18% ✓ | 24% |
| Faults & advisories per test | 0.9 ✓ | 1.3 |
| Dangerous-fault share | 1% | 1% |
| Average mileage | 28,430 mi | 42,407 mi |
| Sample size (vehicles) | 18,602 | 32 |
Most common faults
Kawasaki Zx-6r
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Exhaust noisy (7.1.2)
- Drive chain slightly loose (6.2.1d)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Exhaust noisy (8.1.1 (a))
Kawasaki Zzr 400
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Front Tyre worn close to the legal limit (5.2.3 (e))
- Exhaust mounting deteriorated. (7.1.1.c)
- Front Brake disc(s) slightly worn (3.2.A1l)
- Front Tyre valve stem slightly damaged (4.1.2c)
- Offside Front Brake pad(s) close to minimum limit (3.2.A1f(i))
Reliability FAQ
On MOT pass rate, the Kawasaki Zx-6r is the more reliable of the two — 82% pass first time versus 76%. It's one signal among several; check the full breakdown below.
Full Kawasaki Zx-6r report Full Kawasaki Zzr 400 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.