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

SMC NGF

50cc Petrol Class 1
79.7%
first-time pass rate
10.8%
failed outright
5,104
median miles at test
74
MOT tests, 2005–2025

What fails on a NGF

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
7 50
brakes
4 28.6
fuel and exhaust
1 7.1
steering and suspension
1 7.1
tyres
1 7.1

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 NGF 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 NGF.