KTM 250 SX

250cc Petrol Class 2

77.3%

first-time pass rate

14.9%

failed outright

214

median miles at test

141

MOT tests, 2005–2025

What fails on a 250 SX

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	13	28.9
tyres and wheels	7	15.6
brakes	7	15.6
suspension	5	11.1
Identification of the vehicle	4	8.9
drive system	3	6.7
audible warning (Horn)	2	4.4
wheels	2	4.4
lamps and reflectors	1	2.2
reg plates and vin	1	2.2

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 250 SX beats 0 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k tests HONDA XR250 78.8% pass · 9,277 tests HONDA CBF250 84.9% pass · 7,536 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 250 SX.