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

TGB 404

124cc Petrol Class 1
79.3%
first-time pass rate
11.8%
failed outright
11,547
median miles at test
169
MOT tests, 2005–2025

What fails on a 404

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
steering and suspension
16 29.1
lighting and signalling
11 20
brakes
9 16.4
fuel and exhaust
8 14.5
tyres and wheels
7 12.7
driving controls
4 7.3

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 404 beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 404.