Royal Alloy GP 125
Real ownership data from 1,560 UK GP 125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common GP 125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Other | dangerous | 15.5% |
| Brakes | dangerous | 8.3% |
| Tyres | dangerous | 7.1% |
| Lights and indicators | dangerous | 5.9% |
| Suspension | major | 4.8% |
| Wheels | dangerous | 4.8% |
| Steering and head bearings | dangerous | 3.6% |
| Exhaust and emissions | major | 3.6% |
Advisories (wear noted but not failed) are excluded above; the most common is controls and cables.
GP 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 | 107 | — | — | — |
| 2025 | 137 | — | — | — |
| 2024 | 196 | — | — | — |
| 2023 | 187 | 2,108 mi | 1,020 | 89.86% |
| 2022 | 216 | 2,619 mi | 396 | 91.02% |
| 2021 | 232 | 2,992 mi | 484 | 88.39% |
| 2020 | 190 | 2,816 mi | 372 | 88.15% |
| 2019 | 202 | 3,334 mi | 469 | 85.2% |
| 2018 | 93 | 3,466 mi | 394 | 89.31% |
GP 125 questions, answered with data
What are the most common problems with the Royal Alloy GP 125?
Across 1,560 UK examples, the most frequently recorded MOT faults are other (15.5% of all recorded faults), brakes (8.3% of all recorded faults), tyres (7.1% of all recorded faults).
What is average mileage for a Royal Alloy GP 125?
The median Royal Alloy GP 125 in the UK has covered 2,960 miles, and typically rides about 417 miles a year. Half of all examples fall between 1,566 and 5,074 miles.
Is the Royal Alloy GP 125 reliable?
87.97% of Royal Alloy GP 125 MOT tests are passed first time, with an average of 0.04 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,560 Royal Alloy GP 125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.