Kawasaki Zx-9r vs Kawasaki Er5: MOT reliability compared
Updated 05 September 2026.
16.3%
Kawasaki Zx-9r MOT failure rate, 2.5 pts lower than Kawasaki Er5
Kawasaki Zx-9r is the more reliable MOT performer: 16.3% of Kawasaki Zx-9r MOTs fail versus 18.8% for Kawasaki Er5, a 2.5 point gap.
| Metric | Kawasaki Zx-9r | Kawasaki Er5 |
|---|---|---|
| MOT failure rate | 16.3% | 18.8% |
| Tests analysed | 104,390 | 66,313 |
| Most common failure | Brakes (27.3%) | Brakes (30.1%) |
Questions and answers
Which is more reliable, Kawasaki Zx-9r or Kawasaki Er5?
Kawasaki Zx-9r is the more reliable MOT performer: 16.3% of Kawasaki Zx-9r MOTs fail versus 18.8% for Kawasaki Er5, a 2.5 point gap.
What is the MOT failure rate of the Kawasaki Zx-9r?
16.3% of Kawasaki Zx-9r MOT tests result in a failure, from 104,390 tests.
What is the MOT failure rate of the Kawasaki Er5?
18.8% of Kawasaki Er5 MOT tests result in a failure, from 66,313 tests.