Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Honda C90MG vs Yamaha YQ100
The Honda C90MG passes its MOT first time more often than the Yamaha YQ100: 74.4% vs 64.7%, a 9.7-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Honda C90MG | Yamaha YQ100 |
|---|---|---|
| First-time pass rate | 74.4% | 64.7% |
| Outright fail rate | 15.0% | 27.2% |
| Median miles at test | 20,022 | 9,888 |
| MOT tests analysed | 673 | 7,747 |
| Most common failure | lighting and signalling | lighting and signalling |
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.