Suzuki An 400 K8: MOT pass rate by registration year

Which An 400 K8 years pass first time, and which fall short of the model's 83.4% average, from 2,174 DVSA tests.

2007

highest-passing year · 88.5%

2008

lowest-passing year · 81.6%

6.9pp

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: 2007 (88.5% of 191 tests). Lowest: 2008 (81.6% of 1,189).

Registered	Tests	First-time pass	vs model (83.4%)
2007	191	88.5%	+5.1 pp
2008	1,189	81.6%	-1.8 pp
2009	777	85.1%	+1.7 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 · 2011–2025

Questions

Which An 400 K8 years have the lowest MOT pass rate?: none: no registration year of the Suzuki An 400 K8 falls more than two points under the model's 83.4% overall pass rate.
Which An 400 K8 year has the highest MOT pass rate?: 2007, at 88.5% of 191 first tests (2005–2025).
How much does the An 400 K8 pass rate vary by year?: 6.9 percentage points between the highest (2007, 88.5%) and lowest (2008, 81.6%) 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 An 400 K8 reliability, failures and mileage · ranked #2868 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S