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

YAMAHA BWS 50

49cc Petrol Class 1
90.2%
first-time pass rate
5.9%
failed outright
6,175
median miles at test
51
MOT tests, 2005–2025

What fails on a BWS 50

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
tyres and wheels
2 40
body and structure
1 20
fuel and exhaust
1 20
lighting and signalling
1 20

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 BWS 50 beats 4 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

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 BWS 50.