Ktm common problems and MOT failures

From 43,149 MOT tests in 2024, 13.7% of Ktm vehicles failed. Below are the most common reasons, ranked by how often they occur.

Top Ktm MOT failure reasons

#	Problem	Occurrences	% of failures
1	reflector missing or reflecting white to the rear	540	18.2%
2	shock absorber not functioning or leaking severely	391	13.2%
3	number plate does not conform to the specified requirements	321	10.8%
4	audible warning not working	277	9.3%
5	stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning	272	9.2%
6	headlamp missing, inoperative or more than ½ not functioning in the case of led	269	9.1%
7	wheel bearing with excessive play	258	8.7%
8	transmission belt, chain, sprocket or pulley excessively loose or worn	233	7.9%
9	excessive fluctuation in brake effort through each wheel revolution	205	6.9%
10	significant brake effort recorded with no brake applied indicating a binding brake	202	6.8%

What this means if you're buying a Ktm

The single most common MOT failure for Ktm is reflector missing or reflecting white to the rear, accounting for 18% of all failure items.

These figures are from real MOT inspections. They show what testers actually find wrong with Ktm vehicles. If you're viewing a used Ktm, it's worth checking these areas specifically.

Ktm models by MOT pass rate

Lowest pass rates first. These models have the most testable issues.

Model	Tests	Pass rate
Rc	586	73.7%
250 Exc	235	75.7%
125	1,640	76.5%
125 Duke 17	513	76.8%
125 Duke 18	508	77.4%
125 Duke 19	818	78.6%
125 Duke 20	445	79.1%
125 Duke 21	734	79.3%
450 Exc	204	80.4%
Rc 125 18	302	80.8%
300	379	81%
Unclassified	1,237	82.4%
Exc	213	83.1%
250	735	83.3%
350	747	83.5%

Buying a specific Ktm? Check the individual vehicle's MOT history for free on GOV.UK to see its actual test results, advisories, and mileage readings.

Check MOT history on GOV.UK