League table/HARLEY
Make report · 2005–2025
HARLEY
85.1%
first-time pass rate
6.8%
failed outright
249
MOT tests, 2005–2025
What fails a HARLEY
failure defects across all HARLEY models · advisories excluded
lighting and signalling is HARLEY's most common failure — 3.2% of all HARLEY tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
3.2 | see ranking |
| lamps and reflectors |
|
0.8 | see ranking |
| brakes |
|
1.2 | see ranking |
| steering and suspension |
|
1.2 | see ranking |
| reg plates and vin |
|
0.8 | — |
Top failure groups aggregated across every HARLEY model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
HARLEY models, ranked by test volume
0 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.