Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Adly Jet 50 vs Peugeot Speedfight
The Adly Jet 50 passes its MOT first time more often than the Peugeot Speedfight: 76.0% vs 65.2%, a 10.8-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Adly Jet 50 | Peugeot Speedfight |
|---|---|---|
| First-time pass rate | 76.0% | 65.2% |
| Outright fail rate | 14.0% | 26.3% |
| Engine size | 49cc | 49cc |
| Median miles at test | 7,963 | 13,547 |
| MOT tests analysed | 100 | 83,728 |
| Most common failure | brakes | 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.
Pass rate by mileage
first-time MOT pass rate by miles on the clock at test
| Mileage | Adly Jet 50 | Peugeot Speedfight |
|---|---|---|
| 0k-10k miles | 80.0% | 73.1% |
| 10k-20k miles | 67.6% | 63.3% |
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.