Data as of: DVSA MOT results to 2025
Zontes Javelin 125I vs Honda CG125
The Honda CG125 passes its MOT first time more often than the Zontes Javelin 125I: 72.2% vs 59.6%, a 12.6-point lead.
MOT reliability, side by side
| Metric | Zontes Javelin 125I | Honda CG125 |
|---|---|---|
| First-time pass rate | 59.6% | 72.2% |
| Outright fail rate | 30.9% | 16.8% |
| Vs comparable bikes (age & mileage adjusted) | -15.1 pts | +0.7 pts |
| Engine size | 124cc | 124cc |
| Median miles at test | 6,334 | 17,460 |
| MOT tests analysed | 136 | 89,345 |
| Most common failure | lamps and reflectors | 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.
Pass rate by mileage
| Mileage | Zontes Javelin 125I | Honda CG125 |
|---|---|---|
| 0k-10k miles | 68.8% | 79.3% |
| 10k-20k miles | 38.1% | 73.0% |
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.