Suzuki RV 125 K4: MOT pass rate by registration year

Which RV 125 K4 years pass first time, and which fall short of the model's 78.4% average, from 4,147 DVSA tests.

2006

highest-passing year · 83.0%

2004

lowest-passing year · 77.5%

5.5pp

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: 2006 (83.0% of 135 tests). Lowest: 2004 (77.5% of 2,554).

Registered	Tests	First-time pass	vs model (78.4%)
2004	2,554	77.5%	-0.9 pp
2005	1,415	80.1%	+1.7 pp
2006	135	83.0%	+4.6 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 · 2007–2025

Questions

Which RV 125 K4 years have the lowest MOT pass rate?: none: no registration year of the Suzuki RV 125 K4 falls more than two points under the model's 78.4% overall pass rate.
Which RV 125 K4 year has the highest MOT pass rate?: 2006, at 83.0% of 135 first tests (2005–2025).
How much does the RV 125 K4 pass rate vary by year?: 5.5 percentage points between the highest (2006, 83.0%) and lowest (2004, 77.5%) 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: Suzuki RV 125 K4 reliability, failures and mileage · ranked #3855 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S