KTM 525 SX

520cc Petrol Class 2

80.6%

first-time pass rate

11.5%

failed outright

2,468

median miles at test

139

MOT tests, 2005–2025

What fails on a 525 SX

failure defects by component group · advisories excluded

Component group	Defects	% of defects
steering and suspension	8	21.6
lighting and signalling	7	18.9
lamps and reflectors	7	18.9
tyres and wheels	5	13.5
reg plates and vin	3	8.1
audible warning (Horn)	2	5.4
brakes	2	5.4
drive system	1	2.7
suspension	1	2.7
tyres	1	2.7

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 525 SX beats 2 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests YAMAHA FZS600 82.6% pass · 137k tests SUZUKI SV650S 80.6% pass · 84.6k 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 525 SX.