Head-to-head · 2005–2025
Honda SZX50X-1 vs Piaggio NRG
The Honda SZX50X-1 passes its MOT first time more often than the Piaggio NRG — 74.4% vs 65.5%, a 8.9-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Honda SZX50X-1 | Piaggio NRG |
|---|---|---|
| First-time pass rate | 74.4% | 65.5% |
| Outright fail rate | 20.6% | 27.4% |
| Median miles at test | 9,789 | 9,874 |
| MOT tests analysed | 1,256 | 40,458 |
| Most common failure | steering and suspension | 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.