Honda CB750K: MOT pass rate by registration year

Which CB750K years pass first time, and which fall short of the model's 80.7% average, from 574 DVSA tests.

1980

highest-passing year · 83.5%

1978

lowest-passing year · 68.9%

14.6pp

spread across 3 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: 1980 (83.5% of 91 tests). Lowest: 1978 (68.9% of 74). Years more than two points below the model average: 1978, 1979.

Registered	Tests	First-time pass	vs model (80.7%)
1978	74	68.9%	-11.8 pp
1979	191	77.5%	-3.2 pp
1980	91	83.5%	+2.8 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

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

Questions

Which CB750K years have the lowest MOT pass rate?: 1978, 1979 registered examples pass first time less often than the Honda CB750K overall (80.7%); the 1978 cohort is lowest at 68.9% from 74 tests.
Which CB750K year has the highest MOT pass rate?: 1980, at 83.5% of 91 first tests (2005–2025).
How much does the CB750K pass rate vary by year?: 14.6 percentage points between the highest (1980, 83.5%) and lowest (1978, 68.9%) 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: Honda CB750K reliability, failures and mileage · ranked #3439 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi