BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/Z Y MOTOR
Make report · 2005–2025

Z Y MOTOR

60.3%
first-time pass rate
30.8%
failed outright
788
MOT tests, 2005–2025

What fails a Z Y MOTOR

failure defects across all Z Y MOTOR models · advisories excluded

lighting and signalling is Z Y MOTOR's most common failure — 16.6% of all Z Y MOTOR tests record one.

Component groupShare of defects% of testsWorst offenders
lighting and signalling
16.6 see ranking
brakes
16.6 see ranking
steering and suspension
12.4 see ranking
tyres and wheels
3.6 see ranking
lamps and reflectors
1.6 see ranking

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

Z Y MOTOR models, ranked by test volume

1 models with ≥ 100 normal tests, 2005–2025
Model Pass rate Pass % Fail % Median miles Tests
ZY 50 QT-7
59.6 31.1 4,046 527

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