Head-to-head · 2005–2025
Zongshen ZS 125-50 Ranger vs Honda CBF125
The Honda CBF125 passes its MOT first time more often than the Zongshen ZS 125-50 Ranger — 73.3% vs 70.7%, a 2.6-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Zongshen ZS 125-50 Ranger | Honda CBF125 |
|---|---|---|
| First-time pass rate | 70.7% | 73.3% |
| Outright fail rate | 20.7% | 16.5% |
| Median miles at test | 8,281 | 10,974 |
| MOT tests analysed | 420 | 84,425 |
| Most common failure | lighting and signalling | brakes |
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.