Suzuki GSX-S125
Real ownership data from 2,645 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 |
|---|---|---|
| Tyres | dangerous | 11.8% |
| Brake discs and pads | dangerous | 10% |
| Suspension | dangerous | 8.2% |
| Electrical | major | 7.7% |
| Lights and indicators | dangerous | 4.1% |
| Controls and cables | dangerous | 2.9% |
| Brakes | dangerous | 2.9% |
| Exhaust and emissions | major | 2.4% |
Advisories (wear noted but not failed) are excluded above; the most common is corrosion.
GSX-S125 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 | 162 | — | — | — |
| 2025 | 91 | — | — | — |
| 2024 | 322 | 3,238 mi | — | 66.67% |
| 2023 | 482 | 4,971 mi | 1,097 | 88.04% |
| 2022 | 161 | 5,609 mi | 1,461 | 87.67% |
| 2021 | 106 | 8,769 mi | 2,038 | 80.58% |
| 2020 | 352 | 9,865 mi | 1,868 | 79.81% |
| 2019 | 297 | 10,801 mi | 1,692 | 83.47% |
| 2018 | 518 | 12,302 mi | 1,837 | 80.05% |
| 2017 | 154 | 13,826 mi | 2,017 | 79.97% |
GSX-S125 questions, answered with data
What are the most common problems with the Suzuki GSX-S125?
Across 2,645 UK examples, the most frequently recorded MOT faults are tyres (11.8% of all recorded faults), brake discs and pads (10% of all recorded faults), suspension (8.2% of all recorded faults).
What is average mileage for a Suzuki GSX-S125?
The median Suzuki GSX-S125 in the UK has covered 9,697 miles, and typically rides about 1,837 miles a year. Half of all examples fall between 4,922 and 16,657 miles.
Is the Suzuki GSX-S125 reliable?
81.25% of Suzuki GSX-S125 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 2,645 Suzuki GSX-S125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.