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

MZ 301

291cc Petrol Class 2
87.1%
first-time pass rate
6.9%
failed outright
39,852
median miles at test
116
MOT tests, 2005–2025

What fails on a 301

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
4 33.3
drive system
3 25
brakes
2 16.7
tyres and wheels
2 16.7
steering and suspension
1 8.3

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 301 beats 4 of its 4 closest rivals (YAMAHA RD350, YAMAHA YP250, YAMAHA WR250F).

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 301.