BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ YAMAHA/RD125DX
Model report · 2005–2025

YAMAHA RD125DX

123cc Petrol Class 1
79.7%
first-time pass rate
8.1%
failed outright
18,396
median miles at test
74
MOT tests, 2005–2025

What fails on a RD125DX

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
11 55
brakes
3 15
lamps and reflectors
3 15
body and structure
2 10
audible warning (Horn)
1 5

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 RD125DX 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 RD125DX.