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

MZ 150

143cc Petrol Class 1
91.8%
first-time pass rate
3.3%
failed outright
12,000
median miles at test
61
MOT tests, 2005–2025

What fails on a 150

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
2 50
body and structure
1 25
fuel and exhaust
1 25

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the 150 beats 1 of its 1 closest rivals (BSA BANTAM).

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the 150.