Honda CBR 600 RR-6: MOT pass rate by registration year

Which CBR 600 RR-6 years pass first time, and which fall short of the model's 83.8% average, from 1,773 DVSA tests.

2008

highest-passing year · 86.8%

2006

lowest-passing year · 83.4%

3.4pp

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: 2008 (86.8% of 53 tests). Lowest: 2006 (83.4% of 1,206).

Registered	Tests	First-time pass	vs model (83.8%)
2006	1,206	83.4%	-0.4 pp
2007	490	84.1%	+0.3 pp
2008	53	86.8%	+3.0 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 · 2009–2025

Questions

Which CBR 600 RR-6 years have the lowest MOT pass rate?: none: no registration year of the Honda CBR 600 RR-6 falls more than two points under the model's 83.8% overall pass rate.
Which CBR 600 RR-6 year has the highest MOT pass rate?: 2008, at 86.8% of 53 first tests (2005–2025).
How much does the CBR 600 RR-6 pass rate vary by year?: 3.4 percentage points between the highest (2008, 86.8%) and lowest (2006, 83.4%) 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 CBR 600 RR-6 reliability, failures and mileage · ranked #2791 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi