Honda CB1100R: MOT pass rate by registration year

Which CB1100R years pass first time, and which fall short of the model's 87.4% average, from 677 DVSA tests.

1983

highest-passing year · 90.6%

1981

lowest-passing year · 86.0%

4.6pp

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: 1983 (90.6% of 235 tests). Lowest: 1981 (86.0% of 107).

Registered	Tests	First-time pass	vs model (87.4%)
1981	107	86.0%	-1.4 pp
1982	180	87.2%	-0.2 pp
1983	235	90.6%	+3.2 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 · 2006–2022

Questions

Which CB1100R years have the lowest MOT pass rate?: none: no registration year of the Honda CB1100R falls more than two points under the model's 87.4% overall pass rate.
Which CB1100R year has the highest MOT pass rate?: 1983, at 90.6% of 235 first tests (2005–2025).
How much does the CB1100R pass rate vary by year?: 4.6 percentage points between the highest (1983, 90.6%) and lowest (1981, 86.0%) 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 CB1100R reliability, failures and mileage · ranked #1787 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi