Kawasaki Ex 400 gjf vs Kawasaki Zzr600: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Ex 400 gjf
91%
MOT pass rate · 101 vehicles
More reliable
Kawasaki Zzr600
82%
MOT pass rate · 6,491 vehicles
Verdict: On MOT pass rate, the Kawasaki Ex 400 gjf is the more reliable of the two — 91% pass first time versus 82%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Kawasaki Ex 400 gjf | Kawasaki Zzr600 |
|---|---|---|
| MOT pass rate | 91% ✓ | 82% |
| MOT failure rate | 9% ✓ | 18% |
| Faults & advisories per test | 0.6 ✓ | 0.9 |
| Dangerous-fault share | 5% | 1% ✓ |
| Average mileage | 11,603 mi | 37,252 mi |
| Sample size (vehicles) | 101 | 6,491 |
Most common faults
Kawasaki Ex 400 gjf
- Front Tyre worn close to the legal limit (5.2.3 (e))
- Rear Tyre worn close to the legal limit (5.2.3 (e))
- Exhaust noisy (8.1.1 (a))
- Drive chain slightly loose (6.1.7 (c) (i))
- Drive chain worn but not considered excessive (6.1.7 (c) (i))
- Front Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e))
Kawasaki Zzr600
- Front Tyre worn close to the legal limit (4.1.3(ii))
- 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 Brake pad(s) close to minimum limit (3.2.A1f(i))
- Drive chain worn but not considered excessive (6.2.1e)
Reliability FAQ
On MOT pass rate, the Kawasaki Ex 400 gjf is the more reliable of the two — 91% pass first time versus 82%. It's one signal among several; check the full breakdown below.
Full Kawasaki Ex 400 gjf report Full Kawasaki Zzr600 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.