Kawasaki Ex300 ninja vs Kawasaki Zx-9r: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Ex300 ninja
76%
MOT pass rate · 3 vehicles
Kawasaki Zx-9r
84%
MOT pass rate · 8,856 vehicles
Verdict: On MOT pass rate the Kawasaki Ex300 ninja (76%) and Kawasaki Zx-9r (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Ex300 ninja | Kawasaki Zx-9r |
|---|---|---|
| MOT pass rate | 76% | 84% ✓ |
| MOT failure rate | 24% | 16% ✓ |
| Faults & advisories per test | 1.2 | 0.8 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 21,079 mi | 32,039 mi |
| Sample size (vehicles) | 3 | 8,856 |
Most common faults
Kawasaki Ex300 ninja
- Exhaust noisy (8.1.1 (a))
- Front Brake disc worn, but not excessively (1.1.14 (a) (i))
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Rear Brake pad(s) close to minimum limit (3.2A1f(ii))
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))
Reliability FAQ
On MOT pass rate the Kawasaki Ex300 ninja (76%) and Kawasaki Zx-9r (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Ex300 ninja report Full Kawasaki Zx-9r 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.