BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Make report · 2005–2025

UM

70.9%
first-time pass rate
20.6%
failed outright
982
MOT tests, 2005–2025

What fails a UM

failure defects across all UM models · advisories excluded

lamps and reflectors is UM's most common failure — 10.5% of all UM tests record one.

Component groupShare of defects% of testsWorst offenders
lamps and reflectors
10.5 see ranking
brakes
9.6 see ranking
structure and attachments
8.1 see ranking
steering
5.4 see ranking
suspension
1.5 see ranking

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

UM models, ranked by test volume

3 models with ≥ 100 normal tests, 2005–2025
Model Pass rate Pass % Fail % Median miles Tests
RENEGADE COMMANDO 125
69.9 20.6 4,948 306
RENEGADE COMMANDO CLASSIC 125
75.5 17.7 4,650 249
RENEGADE SPORT S 125
66.7 22.6 5,489 177

Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.