KTM SX
Real ownership data from 1,619 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 |
|---|---|---|
| Chain and sprockets | dangerous | 24.7% |
| Lights and indicators | major | 15.7% |
| Brakes | dangerous | 8.2% |
| Steering and head bearings | major | 7.3% |
| Controls and cables | major | 3.4% |
| Tyres | dangerous | 2.8% |
| Wheels | prs | 2.4% |
| Suspension | dangerous | 2.4% |
Advisories (wear noted but not failed) are excluded above; the most common is controls and cables.
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 | — | — | 85.71% |
| 2018 | 19 | 2,123 mi | 3,493 | 76.74% |
| 2017 | 22 | 2,617 mi | 295 | 84.31% |
| 2016 | 32 | 2,180 mi | — | 86.44% |
| 2015 | 29 | — | — | 74.07% |
| 2014 | 34 | 188 mi | 752 | 75.41% |
| 2013 | 36 | 612 mi | — | 76.36% |
| 2012 | 53 | 158 mi | 215 | 83.03% |
| 2011 | 48 | 2,482 mi | 57 | 82.14% |
| 2010 | 46 | 743 mi | 279 | 79.14% |
| 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 | 75.31% |
| 2005 | 63 | 1,897 mi | 766 | 81.61% |
SX questions, answered with data
What are the most common problems with the KTM SX?
Across 1,619 UK examples, the most frequently recorded MOT faults are chain and sprockets (24.7% of all recorded faults), lights and indicators (15.7% of all recorded faults), brakes (8.2% of all recorded faults).
What is average mileage for a KTM SX?
The median KTM SX in the UK has covered 1,184 miles, and typically rides about 286 miles a year. Half of all examples fall between 81 and 3,964 miles.
Is the KTM SX reliable?
79.72% of KTM SX MOT tests are passed first time, with an average of 0.19 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,619 KTM SX motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.