Buell XB9R: MOT pass rate by registration year

Which XB9R years pass first time, and which fall short of the model's 83.7% average, from 2,610 DVSA tests.

2002

highest-passing year · 84.6%

2003

lowest-passing year · 82.8%

1.8pp

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: 2002 (84.6% of 992 tests). Lowest: 2003 (82.8% of 402).

Registered	Tests	First-time pass	vs model (83.7%)
2002	992	84.6%	+0.9 pp
2003	402	82.8%	-0.9 pp
2004	1,183	83.2%	-0.5 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 · 2006–2025

Questions

Which XB9R years have the lowest MOT pass rate?: none: no registration year of the Buell XB9R falls more than two points under the model's 83.7% overall pass rate.
Which XB9R year has the highest MOT pass rate?: 2002, at 84.6% of 992 first tests (2005–2025).
How much does the XB9R pass rate vary by year?: 1.8 percentage points between the highest (2002, 84.6%) and lowest (2003, 82.8%) 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: Buell XB9R reliability, failures and mileage · ranked #2819 of 5428 models· other Buell models: XB12S, S1, M2, XB12R, X1, XB9SX