Suzuki GSX-S125
Real ownership data from 2,596 UK GSX-S125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common GSX-S125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Chain and sprockets | dangerous | 4.9% |
| Lights and indicators | dangerous | 4% |
| Brakes | dangerous | 2% |
| Brake discs and pads | dangerous | 1.4% |
| Suspension | dangerous | 1.2% |
| Steering and head bearings | dangerous | 0.9% |
| Other | major | 0.7% |
| Tyres | major | 0.5% |
Advisories (wear noted but not failed) are excluded above; the most common is chain and sprockets.
GSX-S125 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 | 119 | — | — | — |
| 2025 | 91 | — | — | — |
| 2024 | 321 | 3,238 mi | — | 66.67% |
| 2023 | 481 | 4,922 mi | 1,192 | 88.95% |
| 2022 | 160 | 5,361 mi | 986 | 88.24% |
| 2021 | 106 | 8,769 mi | 2,038 | 80.5% |
| 2020 | 351 | 9,841 mi | 1,850 | 80.1% |
| 2019 | 297 | 10,526 mi | 1,692 | 83.59% |
| 2018 | 516 | 12,011 mi | 1,840 | 80.1% |
| 2017 | 154 | 13,826 mi | 2,017 | 80.24% |
GSX-S125 questions, answered with data
What are the most common problems with the Suzuki GSX-S125?
Across 2,596 UK examples, the most frequently recorded MOT faults are chain and sprockets (4.9% of all recorded faults), lights and indicators (4% of all recorded faults), brakes (2% of all recorded faults).
What is average mileage for a Suzuki GSX-S125?
The median Suzuki GSX-S125 in the UK has covered 9,689 miles, and typically rides about 1,840 miles a year. Half of all examples fall between 4,842 and 16,679 miles.
Is the Suzuki GSX-S125 reliable?
81.4% of Suzuki GSX-S125 MOT tests are passed first time, with an average of 1.04 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 2,596 Suzuki GSX-S125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.