Data as of: DVSA MOT results to 2025
Bsa 650: MOT pass rate by registration year
Which 650 years pass first time, and which fall short of the model's 91.8% average, from 901 DVSA tests.
Pass rate by registration year
Highest pass rate: 1959 (96.0% of 50 tests). Lowest: 1961 (86.3% of 95). Years more than two points below the model average: 1961.
| Registered | Tests | First-time pass | vs model (91.8%) |
|---|---|---|---|
| 1959 | 50 | 96.0% | +4.2 pp |
| 1960 | 158 | 94.3% | +2.5 pp |
| 1961 | 95 | 86.3% | -5.5 pp |
| 1965 | 53 | 90.6% | -1.2 pp |
| 1970 | 53 | 92.5% | +0.7 pp |
| 1971 | 81 | 92.6% | +0.8 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 650 years have the lowest MOT pass rate?
- 1961 registered examples pass first time less often than the Bsa 650 overall (91.8%); the 1961 cohort is lowest at 86.3% from 95 tests.
- Which 650 year has the highest MOT pass rate?
- 1959, at 96.0% of 50 first tests (2005–2025). Years more than two points above the model average: 1959, 1960.
- How much does the 650 pass rate vary by year?
- 9.7 percentage points between the highest (1959, 96.0%) and lowest (1961, 86.3%) 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: Bsa 650 reliability, failures and mileage · ranked #507 of 5428 models· other Bsa models: A10, Bantam, C15, A65, B31, B40