BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Bsa Lightning: MOT pass rate by registration year

Which Lightning years pass first time, and which fall short of the model's 92.2% average, from 794 DVSA tests.

1972
highest-passing year · 95.7%
1969
lowest-passing year · 88.5%
7.2pp
spread across 8 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: 1972 (95.7% of 94 tests). Lowest: 1969 (88.5% of 122). Years more than two points below the model average: 1967, 1969.

87%92%97%1965: 93.2% pass (59 tests)1966: 93.3% pass (90 tests)1967: 88.5% pass (78 tests)1968: 92.5% pass (67 tests)1969: 88.5% pass (122 tests)1970: 92.6% pass (81 tests)1971: 94.0% pass (151 tests)1972: 95.7% pass (94 tests)196519691972
RegisteredTestsFirst-time passvs model (92.2%)
1965 59 93.2% +1.0 pp
1966 90 93.3% +1.1 pp
1967 78 88.5% -3.7 pp
1968 67 92.5% +0.3 pp
1969 122 88.5% -3.7 pp
1970 81 92.6% +0.4 pp
1971 151 94.0% +1.8 pp
1972 94 95.7% +3.5 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
87%92%97%2006: 92.1% pass (63 tests)2007: 90.8% pass (65 tests)2008: 92.9% pass (56 tests)2009: 88.9% pass (72 tests)2010: 93.3% pass (60 tests)2011: 93.7% pass (63 tests)2012: 94.7% pass (57 tests)2013: 88.7% pass (62 tests)2014: 91.2% pass (68 tests)2015: 93.0% pass (71 tests)2016: 90.3% pass (62 tests)2017: 95.0% pass (60 tests)20062017

Questions

Which Lightning years have the lowest MOT pass rate?
1967, 1969 registered examples pass first time less often than the Bsa Lightning overall (92.2%); the 1969 cohort is lowest at 88.5% from 122 tests.
Which Lightning year has the highest MOT pass rate?
1972, at 95.7% of 94 first tests (2005–2025).
How much does the Lightning pass rate vary by year?
7.2 percentage points between the highest (1972, 95.7%) and lowest (1969, 88.5%) 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: Bsa Lightning reliability, failures and mileage · ranked #434 of 5428 models· other Bsa models: A10, Bantam, C15, A65, B31, B40