YAMAHA DT125MX

125cc Petrol Class 1

76.2%

first-time pass rate

9.5%

failed outright

10,473

median miles at test

126

MOT tests, 2005–2025

What fails on a DT125MX

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	30	61.2
reg plates and vin	6	12.2
drive system	4	8.2
tyres and wheels	4	8.2
steering and suspension	3	6.1
driving controls	1	2
fuel and exhaust	1	2

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 DT125MX beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

YAMAHA YBR 125 71.0% pass · 125k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k tests GILERA RUNNER 70.8% pass · 69.9k tests

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 DT125MX.