Ktm 125 vs Ktm 640: MOT reliability compared
Updated 05 September 2026.
16.1%
Ktm 640 MOT failure rate, 6.3 pts lower than Ktm 125
Ktm 640 is the more reliable MOT performer: 16.1% of Ktm 640 MOTs fail versus 22.4% for Ktm 125, a 6.3 point gap.
| Metric | Ktm 125 | Ktm 640 |
|---|---|---|
| MOT failure rate | 22.4% | 16.1% |
| Tests analysed | 33,241 | 20,830 |
| Most common failure | Lamps & electrical (35.0%) | Lamps & electrical (29.2%) |
Questions and answers
Which is more reliable, Ktm 125 or Ktm 640?
Ktm 640 is the more reliable MOT performer: 16.1% of Ktm 640 MOTs fail versus 22.4% for Ktm 125, a 6.3 point gap.
What is the MOT failure rate of the Ktm 125?
22.4% of Ktm 125 MOT tests result in a failure, from 33,241 tests.
What is the MOT failure rate of the Ktm 640?
16.1% of Ktm 640 MOT tests result in a failure, from 20,830 tests.