Yamaha XJ 6 S Abs Diversion: MOT pass rate by registration year

Which XJ 6 S Abs Diversion years pass first time, and which fall short of the model's 86.9% average, from 901 DVSA tests.

2011

highest-passing year · 88.4%

2009

lowest-passing year · 85.0%

3.4pp

spread across 4 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: 2011 (88.4% of 69 tests). Lowest: 2009 (85.0% of 379).

Registered	Tests	First-time pass	vs model (86.9%)
2009	379	85.0%	-1.9 pp
2010	360	87.5%	+0.6 pp
2011	69	88.4%	+1.5 pp
2012	58	86.2%	-0.7 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 · 2012–2025

Questions

Which XJ 6 S Abs Diversion years have the lowest MOT pass rate?: none: no registration year of the Yamaha XJ 6 S Abs Diversion falls more than two points under the model's 86.9% overall pass rate.
Which XJ 6 S Abs Diversion year has the highest MOT pass rate?: 2011, at 88.4% of 69 first tests (2005–2025).
How much does the XJ 6 S Abs Diversion pass rate vary by year?: 3.4 percentage points between the highest (2011, 88.4%) and lowest (2009, 85.0%) 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: Yamaha XJ 6 S Abs Diversion reliability, failures and mileage · ranked #1937 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6