Head-to-head · 2005–2025
Zontes ZT 125-U1 vs Gilera Runner
The Zontes ZT 125-U1 passes its MOT first time more often than the Gilera Runner — 77.2% vs 70.8%, a 6.4-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Zontes ZT 125-U1 | Gilera Runner |
|---|---|---|
| First-time pass rate | 77.2% | 70.8% |
| Outright fail rate | 17.4% | 21.5% |
| Median miles at test | 5,770 | 11,381 |
| MOT tests analysed | 408 | 69,850 |
| 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.
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.