Harley-Davidson Fxstbi: MOT pass rate by registration year

Which Fxstbi years pass first time, and which fall short of the model's 89.2% average, from 2,828 DVSA tests.

2004

highest-passing year · 89.6%

2005

lowest-passing year · 89.3%

0.3pp

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: 2004 (89.6% of 941 tests). Lowest: 2005 (89.3% of 900).

Registered	Tests	First-time pass	vs model (89.2%)
2004	941	89.6%	+0.4 pp
2005	900	89.3%	+0.1 pp
2006	769	89.5%	+0.3 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 Fxstbi years have the lowest MOT pass rate?: none: no registration year of the Harley-Davidson Fxstbi falls more than two points under the model's 89.2% overall pass rate.
Which Fxstbi year has the highest MOT pass rate?: 2004, at 89.6% of 941 first tests (2005–2025).
How much does the Fxstbi pass rate vary by year?: 0.3 percentage points between the highest (2004, 89.6%) and lowest (2005, 89.3%) 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: Harley-Davidson Fxstbi reliability, failures and mileage · ranked #1212 of 5428 models· other Harley-Davidson models: XLH 883, Flstf, Flstc, XL, XL1200C, XL883