Yamaha XJ6: MOT pass rate by registration year

Which XJ6 years pass first time, and which fall short of the model's 85.8% average, from 1,970 DVSA tests.

2012

highest-passing year · 90.7%

2009

lowest-passing year · 84.8%

5.9pp

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: 2012 (90.7% of 214 tests). Lowest: 2009 (84.8% of 481).

Registered	Tests	First-time pass	vs model (85.8%)
2009	481	84.8%	-1.0 pp
2010	904	85.3%	-0.5 pp
2011	330	85.8%	+0.0 pp
2012	214	90.7%	+4.9 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 XJ6 years have the lowest MOT pass rate?: none: no registration year of the Yamaha XJ6 falls more than two points under the model's 85.8% overall pass rate.
Which XJ6 year has the highest MOT pass rate?: 2012, at 90.7% of 214 first tests (2005–2025).
How much does the XJ6 pass rate vary by year?: 5.9 percentage points between the highest (2012, 90.7%) and lowest (2009, 84.8%) 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 XJ6 reliability, failures and mileage · ranked #2266 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6