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

SUMOTO

54.2%
first-time pass rate
31.6%
failed outright
190
MOT tests, 2005–2025

What fails a SUMOTO

failure defects across all SUMOTO models · advisories excluded

steering and suspension is SUMOTO's most common failure — 18.9% of all SUMOTO tests record one.

Component groupShare of defects% of testsWorst offenders
steering and suspension
18.9 see ranking
lighting and signalling
17.4 see ranking
brakes
14.7 see ranking
tyres and wheels
8.9 see ranking
drive system
7.4 see ranking

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

SUMOTO 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.