Kawasaki Zx-9r vs Kawasaki Zxr400: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Zx-9r
84%
MOT pass rate · 8,856 vehicles
More reliable
Kawasaki Zxr400
78%
MOT pass rate · 2,417 vehicles
Verdict: On MOT pass rate, the Kawasaki Zx-9r is the more reliable of the two — 84% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Kawasaki Zx-9r | Kawasaki Zxr400 |
|---|---|---|
| MOT pass rate | 84% ✓ | 78% |
| MOT failure rate | 16% ✓ | 22% |
| Faults & advisories per test | 0.8 ✓ | 1.1 |
| Dangerous-fault share | 1% | 1% |
| Average mileage | 32,039 mi | 30,937 mi |
| Sample size (vehicles) | 8,856 | 2,417 |
Most common faults
Kawasaki Zx-9r
- 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)
- Exhaust noisy (8.1.1 (a))
- Drive chain slightly loose (6.2.1d)
- Front Brake pad(s) close to minimum limit (3.2.A1f(i))
Kawasaki Zxr400
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Exhaust noisy (7.1.2)
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Drive chain slightly loose (6.2.1d)
- Rear reflector on motorcycle missing (1.4.1)
Reliability FAQ
On MOT pass rate, the Kawasaki Zx-9r is the more reliable of the two — 84% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Kawasaki Zx-9r report Full Kawasaki Zxr400 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.