Kawasaki Zx-9r vs Kawasaki Er: MOT reliability compared
Updated 05 September 2026.
12.9%
Kawasaki Er MOT failure rate, 3.4 pts lower than Kawasaki Zx-9r
Kawasaki Er is the more reliable MOT performer: 12.9% of Kawasaki Er MOTs fail versus 16.3% for Kawasaki Zx-9r, a 3.4 point gap.
| Metric | Kawasaki Zx-9r | Kawasaki Er |
|---|---|---|
| MOT failure rate | 16.3% | 12.9% |
| Tests analysed | 104,390 | 51,525 |
| Most common failure | Brakes (27.3%) | Lamps & electrical (19.7%) |
Questions and answers
Which is more reliable, Kawasaki Zx-9r or Kawasaki Er?
Kawasaki Er is the more reliable MOT performer: 12.9% of Kawasaki Er MOTs fail versus 16.3% for Kawasaki Zx-9r, a 3.4 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 Er?
12.9% of Kawasaki Er MOT tests result in a failure, from 51,525 tests.