Data as of: DVSA MOT results to 2025
Vespa (douglas) PX: MOT pass rate by registration year
Which PX years pass first time, and which fall short of the model's 82.5% average, from 1,533 DVSA tests.
Pass rate by registration year
Highest pass rate: 1988 (90.6% of 85 tests). Lowest: 1990 (72.6% of 84). Years more than two points below the model average: 1986, 1990.
| Registered | Tests | First-time pass | vs model (82.5%) |
|---|---|---|---|
| 1980 | 128 | 88.3% | +5.8 pp |
| 1983 | 125 | 88.8% | +6.3 pp |
| 1984 | 187 | 88.8% | +6.3 pp |
| 1985 | 96 | 81.3% | -1.2 pp |
| 1986 | 114 | 76.3% | -6.2 pp |
| 1987 | 142 | 84.5% | +2.0 pp |
| 1988 | 85 | 90.6% | +8.1 pp |
| 1989 | 159 | 81.1% | -1.4 pp |
| 1990 | 84 | 72.6% | -9.9 pp |
| 1991 | 63 | 88.9% | +6.4 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which PX years have the lowest MOT pass rate?
- 1986, 1990 registered examples pass first time less often than the Vespa (douglas) PX overall (82.5%); the 1990 cohort is lowest at 72.6% from 84 tests.
- Which PX year has the highest MOT pass rate?
- 1988, at 90.6% of 85 first tests (2005–2025). Years more than two points above the model average: 1980, 1983, 1984, 1988, 1991.
- How much does the PX pass rate vary by year?
- 18.0 percentage points between the highest (1988, 90.6%) and lowest (1990, 72.6%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: Vespa (douglas) PX reliability, failures and mileage · ranked #3073 of 5428 models· other Vespa (douglas) models: PX125, P200E, T5, PX125E, Douglas, 125