Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Aprilia RS 125 11KW 08 vs Yamaha YBR 125
The Yamaha YBR 125 passes its MOT first time more often than the Aprilia RS 125 11KW 08: 71.0% vs 65.5%, a 5.5-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Aprilia RS 125 11KW 08 | Yamaha YBR 125 |
|---|---|---|
| First-time pass rate | 65.5% | 71.0% |
| Outright fail rate | 23.0% | 17.1% |
| Median miles at test | 7,939 | 10,652 |
| MOT tests analysed | 612 | 124,897 |
| 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.