Royal Alloy GT 125
Real ownership data from 2,435 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 |
|---|---|---|
| Brake discs and pads | dangerous | 10.1% |
| Brakes | major | 5.5% |
| Tyres | major | 4.6% |
| Steering and head bearings | dangerous | 4.6% |
| Controls and cables | major | 3.7% |
| Frame and structure | prs | 3.7% |
| Fuel system | major | 3.7% |
| Wheels | dangerous | 3.7% |
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.
| YearYear | MedianMedian mileage | Mi/yrMiles/year | MOT passFirst-time pass | |
|---|---|---|---|---|
| 2026 | 61 | — | — | — |
| 2025 | 67 | — | — | — |
| 2024 | 308 | 1,615 mi | — | 100% |
| 2023 | 234 | 1,933 mi | 507 | 85.71% |
| 2022 | 195 | 2,985 mi | 430 | 89.55% |
| 2021 | 319 | 2,848 mi | 400 | 89.6% |
| 2020 | 487 | 2,856 mi | 393 | 87.77% |
| 2019 | 287 | 2,976 mi | 401 | 85.51% |
| 2018 | 477 | 3,534 mi | 421 | 82.13% |
GT 125 questions, answered with data
What are the most common problems with the Royal Alloy GT 125?
Across 2,435 UK examples, the most frequently recorded MOT faults are brake discs and pads (10.1% of all recorded faults), brakes (5.5% of all recorded faults), tyres (4.6% 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 3,035 miles, and typically rides about 413 miles a year. Half of all examples fall between 1,561 and 5,244 miles.
Is the Royal Alloy GT 125 reliable?
85.54% of Royal Alloy GT 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 2,435 Royal Alloy GT 125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.