KTM RC 125
Real ownership data from 2,086 UK RC 125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common RC 125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Controls and cables | dangerous | 14.5% |
| Lights and indicators | dangerous | 13.7% |
| Fork seals | major | 6% |
| Electrical | major | 4.3% |
| Exhaust and emissions | major | 4.3% |
| Suspension | major | 3.4% |
| Wheels | major | 3.4% |
| Brakes | major | 3.4% |
Advisories (wear noted but not failed) are excluded above; the most common is electrical.
RC 125 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 | 13 | — | — | — |
| 2025 | 52 | — | — | — |
| 2024 | 401 | 2,523 mi | — | 100% |
| 2023 | 335 | 7,342 mi | 907 | 67.74% |
| 2022 | 57 | 9,041 mi | 3,586 | 72.22% |
| 2021 | 8 | 12,547 mi | 988 | 75% |
| 2020 | 187 | 11,394 mi | 2,087 | 77.99% |
| 2019 | 209 | 10,967 mi | 1,840 | 74.68% |
| 2018 | 270 | 12,767 mi | 1,740 | 74.81% |
| 2017 | 176 | 13,216 mi | 1,880 | 80.35% |
| 2016 | 298 | 15,324 mi | 1,791 | 71.57% |
| 2015 | 63 | 13,319 mi | 1,921 | 46.15% |
| 2014 | 17 | 28,365 mi | 3,075 | 66.67% |
RC 125 questions, answered with data
What are the most common problems with the KTM RC 125?
Across 2,086 UK examples, the most frequently recorded MOT faults are controls and cables (14.5% of all recorded faults), lights and indicators (13.7% of all recorded faults), fork seals (6% of all recorded faults).
What is average mileage for a KTM RC 125?
The median KTM RC 125 in the UK has covered 12,099 miles, and typically rides about 1,834 miles a year. Half of all examples fall between 6,507 and 18,182 miles.
Is the KTM RC 125 reliable?
75.06% of KTM RC 125 MOT tests are passed first time, with an average of 0.03 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 2,086 KTM RC 125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.