Royal Alloy GT 125
Real ownership data from 2,405 UK GT 125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common GT 125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | dangerous | 21.4% |
| Steering and head bearings | dangerous | 11.5% |
| Suspension | dangerous | 11% |
| Electrical | major | 8.8% |
| Brake discs and pads | dangerous | 6.6% |
| Tyres | dangerous | 3.9% |
| Exhaust and emissions | prs | 3.3% |
| Frame and structure | major | 3.3% |
Advisories (wear noted but not failed) are excluded above; the most common is fuel system.
GT 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 | 40 | — | — | — |
| 2025 | 66 | — | — | — |
| 2024 | 305 | 1,615 mi | — | 100% |
| 2023 | 234 | 1,688 mi | 507 | 86.76% |
| 2022 | 194 | 2,985 mi | 486 | 89.8% |
| 2021 | 318 | 2,795 mi | 416 | 89.88% |
| 2020 | 487 | 2,829 mi | 390 | 87.83% |
| 2019 | 287 | 2,976 mi | 397 | 85.33% |
| 2018 | 474 | 3,513 mi | 421 | 82.19% |
GT 125 questions, answered with data
What are the most common problems with the Royal Alloy GT 125?
Across 2,405 UK examples, the most frequently recorded MOT faults are brakes (21.4% of all recorded faults), steering and head bearings (11.5% of all recorded faults), suspension (11% of all recorded faults).
What is average mileage for a Royal Alloy GT 125?
The median Royal Alloy GT 125 in the UK has covered 2,998 miles, and typically rides about 419 miles a year. Half of all examples fall between 1,532 and 5,176 miles.
Is the Royal Alloy GT 125 reliable?
85.59% of Royal Alloy GT 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 2,405 Royal Alloy GT 125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.