Head-to-head · 2005–2025
Ajs JS 125-E vs Honda CBF125
The Honda CBF125 passes its MOT first time more often than the Ajs JS 125-E — 73.3% vs 63.2%, a 10.1-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Ajs JS 125-E | Honda CBF125 |
|---|---|---|
| First-time pass rate | 63.2% | 73.3% |
| Outright fail rate | 24.6% | 16.5% |
| Median miles at test | 12,612 | 10,974 |
| MOT tests analysed | 699 | 84,425 |
| Most common failure | lighting and signalling | brakes |
First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.