Know Your MOT

Kawasaki Zr vs Kawasaki Er: MOT reliability compared

Updated 05 September 2026.

11.5%
Kawasaki Zr MOT failure rate, 1.4 pts lower than Kawasaki Er

Kawasaki Zr is the more reliable MOT performer: 11.5% of Kawasaki Zr MOTs fail versus 12.9% for Kawasaki Er, a 1.4 point gap.

MetricKawasaki ZrKawasaki Er
MOT failure rate11.5%12.9%
Tests analysed119,75651,525
Most common failureLamps & electrical (22.5%)Lamps & electrical (19.7%)

Questions and answers

Which is more reliable, Kawasaki Zr or Kawasaki Er?

Kawasaki Zr is the more reliable MOT performer: 11.5% of Kawasaki Zr MOTs fail versus 12.9% for Kawasaki Er, a 1.4 point gap.

What is the MOT failure rate of the Kawasaki Zr?

11.5% of Kawasaki Zr MOT tests result in a failure, from 119,756 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.

Compared here

Kawasaki Zr common MOT failures and failure rateKawasaki Er common MOT failures and failure rate