Kawasaki Zx vs Kawasaki Er: MOT reliability compared
Updated 05 September 2026.
11.0%
Kawasaki Zx MOT failure rate, 1.9 pts lower than Kawasaki Er
Kawasaki Zx is the more reliable MOT performer: 11.0% of Kawasaki Zx MOTs fail versus 12.9% for Kawasaki Er, a 1.9 point gap.
| Metric | Kawasaki Zx | Kawasaki Er |
|---|---|---|
| MOT failure rate | 11.0% | 12.9% |
| Tests analysed | 208,941 | 51,525 |
| Most common failure | Lamps & electrical (21.6%) | Lamps & electrical (19.7%) |
Questions and answers
Which is more reliable, Kawasaki Zx or Kawasaki Er?
Kawasaki Zx is the more reliable MOT performer: 11.0% of Kawasaki Zx MOTs fail versus 12.9% for Kawasaki Er, a 1.9 point gap.
What is the MOT failure rate of the Kawasaki Zx?
11.0% of Kawasaki Zx MOT tests result in a failure, from 208,941 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.