BIKERELIABILITY Reg check
Make report · 2005–2025

TM

75.5%
first-time pass rate
15.7%
failed outright
1,012
MOT tests, 2005–2025

What fails a TM

failure defects across all TM models · advisories excluded

lighting and signalling is TM's most common failure — 6.5% of all TM tests record one.

Component groupShare of defects% of testsWorst offenders
lighting and signalling
6.5 see ranking
steering and suspension
5.6 see ranking
brakes
4.2 see ranking
tyres and wheels
3.3 see ranking
suspension
2.6 see ranking

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

TM 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.

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