Bsa D7: MOT pass rate by registration year

Which D7 years pass first time, and which fall short of the model's 85.8% average, from 829 DVSA tests.

1964

highest-passing year · 94.9%

1960

lowest-passing year · 83.3%

11.6pp

spread across 6 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 1964 (94.9% of 78 tests). Lowest: 1960 (83.3% of 78). Years more than two points below the model average: 1960, 1965.

Registered	Tests	First-time pass	vs model (85.8%)
1959	54	88.9%	+3.1 pp
1960	78	83.3%	-2.5 pp
1963	52	86.5%	+0.7 pp
1964	78	94.9%	+9.1 pp
1965	165	83.6%	-2.2 pp
1966	207	86.5%	+0.7 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

first-time pass rate by test year · 2006–2017

Questions

Which D7 years have the lowest MOT pass rate?: 1960, 1965 registered examples pass first time less often than the Bsa D7 overall (85.8%); the 1960 cohort is lowest at 83.3% from 78 tests.
Which D7 year has the highest MOT pass rate?: 1964, at 94.9% of 78 first tests (2005–2025). Years more than two points above the model average: 1959, 1964.
How much does the D7 pass rate vary by year?: 11.6 percentage points between the highest (1964, 94.9%) and lowest (1960, 83.3%) 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 D7 reliability, failures and mileage · ranked #2266 of 5428 models· other Bsa models: A10, Bantam, C15, A65, B31, B40