BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/DAFIER
Make report · 2005–2025

DAFIER

62.0%
first-time pass rate
29.9%
failed outright
184
MOT tests, 2005–2025

What fails a DAFIER

failure defects across all DAFIER models · advisories excluded

lighting and signalling is DAFIER's most common failure — 14.7% of all DAFIER tests record one.

Component groupShare of defects% of testsWorst offenders
lighting and signalling
14.7 see ranking
steering and suspension
15.8 see ranking
brakes
11.4 see ranking
tyres and wheels
8.2 see ranking
drive system
3.8 see ranking

Top failure groups aggregated across every DAFIER model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.

DAFIER 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.