Honda CB250 N: MOT pass rate by registration year

Which CB250 N years pass first time, and which fall short of the model's 76.2% average, from 9,530 DVSA tests.

1983

highest-passing year · 80.4%

1979

lowest-passing year · 74.8%

5.6pp

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: 1983 (80.4% of 336 tests). Lowest: 1979 (74.8% of 1,859).

Registered	Tests	First-time pass	vs model (76.2%)
1978	519	76.1%	-0.1 pp
1979	1,859	74.8%	-1.4 pp
1980	2,449	76.5%	+0.3 pp
1981	2,108	74.9%	-1.3 pp
1982	2,045	77.8%	+1.6 pp
1983	336	80.4%	+4.2 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 · 2005–2025

Questions

Which CB250 N years have the lowest MOT pass rate?: none: no registration year of the Honda CB250 N falls more than two points under the model's 76.2% overall pass rate.
Which CB250 N year has the highest MOT pass rate?: 1983, at 80.4% of 336 first tests (2005–2025).
How much does the CB250 N pass rate vary by year?: 5.6 percentage points between the highest (1983, 80.4%) and lowest (1979, 74.8%) 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: Honda CB250 N reliability, failures and mileage · ranked #4162 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi