Head-to-head · 2005–2025
Honda CBR125 vs Yamaha YZF-R125
The Yamaha YZF-R125 passes its MOT first time more often than the Honda CBR125 — 68.0% vs 65.5%, a 2.5-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Honda CBR125 | Yamaha YZF-R125 |
|---|---|---|
| First-time pass rate | 65.5% | 68.0% |
| Outright fail rate | 25.5% | 21.6% |
| Median miles at test | 12,780 | 13,002 |
| MOT tests analysed | 3,077 | 63,719 |
| Most common failure | brakes | 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.