Data as of: DVSA MOT results to 2025
Longjia LJ 125 T-B vs Gilera Runner
The Gilera Runner passes its MOT first time more often than the Longjia LJ 125 T-B: 70.8% vs 69.0%, a 1.8-point lead.
MOT reliability, side by side
| Metric | Longjia LJ 125 T-B | Gilera Runner |
|---|---|---|
| First-time pass rate | 69.0% | 70.8% |
| Outright fail rate | 20.7% | 21.5% |
| Vs comparable bikes (age & mileage adjusted) | -5.1 pts | -0.7 pts |
| Engine size | 125cc | 124cc |
| Median miles at test | 5,897 | 11,381 |
| MOT tests analysed | 116 | 69,850 |
| 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.
"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.