KTM SX
Real ownership data from 1,617 UK SX motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common SX problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | fail | 11.9% |
| Controls and cables | major | 8.6% |
| Wheels | prs | 7% |
| Chain and sprockets | dangerous | 6.2% |
| Tyres | major | 6.2% |
| Suspension | major | 6.2% |
| Brake discs and pads | dangerous | 5.3% |
| Fluid leaks | user entered | 2.5% |
Advisories (wear noted but not failed) are excluded above; the most common is other.
SX mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| YearYear | MedianMedian mileage | Mi/yrMiles/year | MOT passFirst-time pass | |
|---|---|---|---|---|
| 2026 | 6 | — | — | — |
| 2023 | 5 | 110 mi | 96 | 100% |
| 2022 | 6 | 45 mi | — | 100% |
| 2021 | 5 | — | — | 100% |
| 2020 | 14 | 269 mi | — | 95.24% |
| 2019 | 10 | 79 mi | — | 81.25% |
| 2018 | 19 | 2,123 mi | 3,493 | 77.27% |
| 2017 | 22 | 2,506 mi | 295 | 84.91% |
| 2016 | 33 | 2,180 mi | — | 86.67% |
| 2015 | 29 | — | — | 75% |
| 2014 | 34 | 188 mi | 752 | 75.41% |
| 2013 | 37 | 612 mi | — | 76.79% |
| 2012 | 53 | 158 mi | 215 | 83.03% |
| 2011 | 48 | 2,482 mi | 57 | 82.14% |
| 2010 | 46 | 686 mi | 279 | 79.27% |
| 2009 | 36 | 388 mi | 850 | 83.33% |
| 2008 | 44 | 2,658 mi | 813 | 81.53% |
| 2007 | 71 | 1,110 mi | 282 | 82.97% |
| 2006 | 60 | 2,922 mi | 384 | 75.41% |
| 2005 | 63 | 1,897 mi | 766 | 81.61% |
SX questions, answered with data
What are the most common problems with the KTM SX?
Across 1,617 UK examples, the most frequently recorded MOT faults are brakes (11.9% of all recorded faults), controls and cables (8.6% of all recorded faults), wheels (7% of all recorded faults).
What is average mileage for a KTM SX?
The median KTM SX in the UK has covered 1,159 miles, and typically rides about 286 miles a year. Half of all examples fall between 80 and 3,854 miles.
Is the KTM SX reliable?
79.78% of KTM SX MOT tests are passed first time, with an average of 0.07 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,617 KTM SX motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.