Bsa Starfire: MOT pass rate by registration year

Which Starfire years pass first time, and which fall short of the model's 90.5% average, from 1,257 DVSA tests.

1968

highest-passing year · 93.6%

1970

lowest-passing year · 88.8%

4.8pp

spread across 4 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: 1968 (93.6% of 296 tests). Lowest: 1970 (88.8% of 491).

Registered	Tests	First-time pass	vs model (90.5%)
1968	296	93.6%	+3.1 pp
1969	329	90.9%	+0.4 pp
1970	491	88.8%	-1.7 pp
1971	101	92.1%	+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

first-time pass rate by test year · 2006–2018

Questions

Which Starfire years have the lowest MOT pass rate?: none: no registration year of the Bsa Starfire falls more than two points under the model's 90.5% overall pass rate.
Which Starfire year has the highest MOT pass rate?: 1968, at 93.6% of 296 first tests (2005–2025).
How much does the Starfire pass rate vary by year?: 4.8 percentage points between the highest (1968, 93.6%) and lowest (1970, 88.8%) 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 Starfire reliability, failures and mileage · ranked #800 of 5428 models· other Bsa models: A10, Bantam, C15, A65, B31, B40