Data as of: DVSA MOT results to 2025
WK Bikes Scrambler 125 vs Gilera Runner
The Gilera Runner passes its MOT first time more often than the WK Bikes Scrambler 125: 70.8% vs 69.5%, a 1.3-point lead.
MOT reliability, side by side
| Metric | WK Bikes Scrambler 125 | Gilera Runner |
|---|---|---|
| First-time pass rate | 69.5% | 70.8% |
| Outright fail rate | 20.1% | 21.5% |
| Vs comparable bikes (age & mileage adjusted) | -7.6 pts | -0.7 pts |
| Engine size | 125cc | 124cc |
| Rank among all models | #4771 of 5428 | #4675 of 5428 |
| Median miles at test | 3,267 | 11,381 |
| MOT tests analysed | 298 | 69,850 |
| 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 test year
| Test year | WK Bikes Scrambler 125 | Gilera Runner |
|---|---|---|
| 2023 | 75.0% | 81.3% |
| 2024 | 75.3% | 84.0% |
| 2025 | 63.6% | 85.5% |
Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.