Data as of: DVSA MOT results to 2025
Lambretta 150: MOT pass rate by registration year
Which 150 years pass first time, and which fall short of the model's 89.8% average, from 1,064 DVSA tests.
Pass rate by registration year
Highest pass rate: 1960 (93.7% of 63 tests). Lowest: 1965 (83.5% of 121). Years more than two points below the model average: 1965.
| Registered | Tests | First-time pass | vs model (89.8%) |
|---|---|---|---|
| 1960 | 63 | 93.7% | +3.9 pp |
| 1962 | 121 | 88.4% | -1.4 pp |
| 1963 | 58 | 91.4% | +1.6 pp |
| 1964 | 189 | 91.5% | +1.7 pp |
| 1965 | 121 | 83.5% | -6.3 pp |
| 1966 | 71 | 93.0% | +3.2 pp |
| 1967 | 68 | 88.2% | -1.6 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 150 years have the lowest MOT pass rate?
- 1965 registered examples pass first time less often than the Lambretta 150 overall (89.8%); the 1965 cohort is lowest at 83.5% from 121 tests.
- Which 150 year has the highest MOT pass rate?
- 1960, at 93.7% of 63 first tests (2005–2025). Years more than two points above the model average: 1960, 1966.
- How much does the 150 pass rate vary by year?
- 10.2 percentage points between the highest (1960, 93.7%) and lowest (1965, 83.5%) 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: Lambretta 150 reliability, failures and mileage · ranked #1025 of 5428 models· other Lambretta models: LI125, GP200, LI150, GP150, GP125, Li