KTM 125 Duke
Real ownership data from 7,966 UK 125 Duke motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common 125 Duke problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | dangerous | 7.5% |
| Other | dangerous | 0.6% |
| Brakes | prs | 0.6% |
| Exhaust and emissions | major | 0.5% |
| Suspension | dangerous | 0.5% |
| Tyres | major | 0.4% |
| Electrical | major | 0.4% |
| Steering and head bearings | fail | 0.4% |
Advisories (wear noted but not failed) are excluded above; the most common is controls and cables.
125 Duke mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| Year | Examples | Median mileage | Miles/year | First-time pass |
|---|---|---|---|---|
| 2026 | 206 | — | — | — |
| 2025 | 539 | 2,108 mi | 4,574 | 75% |
| 2024 | 776 | 4,822 mi | 350 | 71.43% |
| 2023 | 849 | 5,556 mi | 1,329 | 70.31% |
| 2022 | 874 | 7,171 mi | 2,054 | 75.85% |
| 2021 | 931 | 7,860 mi | 1,846 | 74.93% |
| 2020 | 801 | 8,696 mi | 1,846 | 75.59% |
| 2019 | 858 | 10,766 mi | 1,811 | 75.01% |
| 2018 | 742 | 11,038 mi | 1,742 | 76.19% |
| 2017 | 454 | 11,321 mi | 1,806 | 77.23% |
| 2016 | 122 | 19,808 mi | 2,716 | 62.96% |
| 2015 | 97 | 9,810 mi | 1,873 | 78.57% |
| 2014 | 113 | 12,442 mi | 1,780 | 71.15% |
| 2013 | 83 | 10,396 mi | 1,342 | 73.33% |
| 2012 | 262 | 15,435 mi | 1,670 | 67.09% |
| 2011 | 259 | 13,262 mi | 1,526 | 68.78% |
125 Duke questions, answered with data
What are the most common problems with the KTM 125 Duke?
Across 7,966 UK examples, the most frequently recorded MOT faults are lights and indicators (7.5% of all recorded faults), other (0.6% of all recorded faults), brakes (0.6% of all recorded faults).
What is average mileage for a KTM 125 Duke?
The median KTM 125 Duke in the UK has covered 9,388 miles, and typically rides about 1,794 miles a year. Half of all examples fall between 5,194 and 14,962 miles.
Is the KTM 125 Duke reliable?
74.26% of KTM 125 Duke MOT tests are passed first time, with an average of 1.3 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 7,966 KTM 125 Duke motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.