Harley-Davidson Fxdb Street Bob: MOT pass rate by registration year

Which Fxdb Street Bob years pass first time, and which fall short of the model's 88.5% average, from 1,843 DVSA tests.

2008

highest-passing year · 90.1%

2007

lowest-passing year · 88.0%

2.1pp

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: 2008 (90.1% of 252 tests). Lowest: 2007 (88.0% of 886).

Registered	Tests	First-time pass	vs model (88.5%)
2006	663	89.1%	+0.6 pp
2007	886	88.0%	-0.5 pp
2008	252	90.1%	+1.6 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 · 2009–2025

Questions

Which Fxdb Street Bob years have the lowest MOT pass rate?: none: no registration year of the Harley-Davidson Fxdb Street Bob falls more than two points under the model's 88.5% overall pass rate.
Which Fxdb Street Bob year has the highest MOT pass rate?: 2008, at 90.1% of 252 first tests (2005–2025).
How much does the Fxdb Street Bob pass rate vary by year?: 2.1 percentage points between the highest (2008, 90.1%) and lowest (2007, 88.0%) 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: Harley-Davidson Fxdb Street Bob reliability, failures and mileage · ranked #1449 of 5428 models· other Harley-Davidson models: XLH 883, Flstf, Flstc, XL, XL1200C, XL883