Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Vespa (douglas) GS vs Yamaha Nmax 125
The Vespa (douglas) GS passes its MOT first time more often than the Yamaha Nmax 125: 88.0% vs 82.2%, a 5.8-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Vespa (douglas) GS | Yamaha Nmax 125 |
|---|---|---|
| First-time pass rate | 88.0% | 82.2% |
| Outright fail rate | 4.4% | 11.4% |
| Engine size | 160cc | 125cc |
| Rank among all models | #1604 of 5428 | #3145 of 5428 |
| Median miles at test | 10,814 | 30,236 |
| MOT tests analysed | 251 | 33,779 |
| 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.
Pass rate by mileage
first-time MOT pass rate by miles on the clock at test
| Mileage | Vespa (douglas) GS | Yamaha Nmax 125 |
|---|---|---|
| 0k-10k miles | 91.6% | 90.9% |
| 20k-30k miles | 87.8% | 81.9% |
| 30k-40k miles | 84.9% | 79.2% |
Bands with fewer than 30 tests for either bike are left out.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.