Head-to-head · 2005–2025
Lambretta Jet vs Piaggio X9
The Lambretta Jet passes its MOT first time more often than the Piaggio X9 — 87.9% vs 77.0%, a 10.9-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Lambretta Jet | Piaggio X9 |
|---|---|---|
| First-time pass rate | 87.9% | 77.0% |
| Outright fail rate | 6.0% | 17.5% |
| Median miles at test | 4,965 | 12,186 |
| MOT tests analysed | 487 | 21,703 |
| Most common failure | lighting and signalling | steering and suspension |
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.