All makes

Harley Davidson reliability and common MOT problems by model

Harley Davidson shows a 5.3% combined MOT failure rate across 9,536 tests in Motintel data. Xl has one of the lower high-confidence rates at 5.2%. Flstc deserves extra checking at 4.5%.

Data sources: DVSA MOT records, official recall records, and MOT fault wording snapshots (2026-04-27, 2026-04-29, rfr_codes_2025-05-12, failure items 2023). Search-indexed model pages must clear 20,000 MOT tests and 10,000 vehicles.

Most reliable Harley Davidson models in MOT data

#	Model	MOT failure rate	Tests	Vehicles
Not enough high-confidence model reports are available yet.

Harley Davidson models with the highest MOT failure rates

#	Model	MOT failure rate	Tests	Vehicles
Not enough high-confidence model reports are available yet.

Common Harley Davidson MOT problem areas

#	Problem area	MOT notes	Models affected	What to check	High-rate examples
Not enough high-confidence problem-area data is available yet.

All Harley Davidson model reports

Model	MOT tests	Vehicles	Failure rate
Xl limited data	2,533	2,352	5.2%
Unclassified limited data	2,248	2,087	5.9%
Flstf limited data	1,717	1,638	4.7%
Xlh 883 limited data	1,671	1,569	5.9%
Flstc limited data	1,367	1,290	4.5%

Models with limited data (fewer than 20,000 tests or 10,000 vehicles) have full reports but are not indexed in search engines until the evidence threshold is met.