Yamaha MT-125
Real ownership data from 10,252 UK MT-125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common MT-125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 12.7% |
| Brakes | major | 6.9% |
| Chain and sprockets | major | 6.9% |
| Brake discs and pads | dangerous | 5.3% |
| Suspension | fail | 5.1% |
| Steering and head bearings | dangerous | 3.9% |
| Tyres | dangerous | 2.9% |
| Wheels | dangerous | 1.9% |
Advisories (wear noted but not failed) are excluded above; the most common is electrical.
MT-125 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 | 403 | — | — | — |
| 2025 | 682 | — | — | — |
| 2024 | 773 | 6,380 mi | 5,218 | 78.95% |
| 2023 | 793 | 7,925 mi | 1,788 | 79.32% |
| 2022 | 529 | 8,142 mi | 1,827 | 77.65% |
| 2021 | 677 | 10,352 mi | 2,236 | 78.4% |
| 2020 | 554 | 11,652 mi | 2,159 | 76.77% |
| 2019 | 550 | 11,595 mi | 2,120 | 76.31% |
| 2018 | 770 | 12,867 mi | 1,933 | 74.48% |
| 2017 | 1,191 | 13,853 mi | 1,958 | 76.56% |
| 2016 | 1,301 | 14,418 mi | 1,928 | 72.14% |
| 2015 | 1,652 | 15,016 mi | 1,898 | 70.67% |
| 2014 | 377 | 16,732 mi | 1,829 | 74.45% |
MT-125 questions, answered with data
What are the most common problems with the Yamaha MT-125?
Across 10,252 UK examples, the most frequently recorded MOT faults are lights and indicators (12.7% of all recorded faults), brakes (6.9% of all recorded faults), chain and sprockets (6.9% of all recorded faults).
What is average mileage for a Yamaha MT-125?
The median Yamaha MT-125 in the UK has covered 12,605 miles, and typically rides about 1,964 miles a year. Half of all examples fall between 6,900 and 19,958 miles.
Is the Yamaha MT-125 reliable?
73.95% of Yamaha MT-125 MOT tests are passed first time, with an average of 0.02 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 10,252 Yamaha MT-125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.