Mutt Mongrel
Real ownership data from 2,289 UK Mongrel motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Mongrel problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Chain and sprockets | dangerous | 16.4% |
| Controls and cables | dangerous | 10.5% |
| Steering and head bearings | major | 9.2% |
| Other | dangerous | 8.2% |
| Suspension | dangerous | 5.2% |
| Fluid leaks | dangerous | 4.6% |
| Exhaust and emissions | dangerous | 4.3% |
| Fuel system | major | 3% |
Advisories (wear noted but not failed) are excluded above; the most common is fuel system.
Mongrel 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 | 16 | — | — | — |
| 2025 | 19 | — | — | — |
| 2024 | 33 | — | — | — |
| 2023 | 101 | 1,782 mi | 761 | 87.5% |
| 2022 | 200 | 3,538 mi | 1,178 | 73.26% |
| 2021 | 234 | 3,403 mi | 913 | 73.52% |
| 2020 | 177 | 3,672 mi | 540 | 73.37% |
| 2019 | 422 | 3,755 mi | 726 | 74.48% |
| 2018 | 528 | 4,646 mi | 666 | 70.59% |
| 2017 | 428 | 4,593 mi | 834 | 68.97% |
| 2016 | 131 | 5,368 mi | 764 | 61.86% |
Mongrel questions, answered with data
What are the most common problems with the Mutt Mongrel?
Across 2,289 UK examples, the most frequently recorded MOT faults are chain and sprockets (16.4% of all recorded faults), controls and cables (10.5% of all recorded faults), steering and head bearings (9.2% of all recorded faults).
What is average mileage for a Mutt Mongrel?
The median Mutt Mongrel in the UK has covered 4,145 miles, and typically rides about 772 miles a year. Half of all examples fall between 1,949 and 7,335 miles.
Is the Mutt Mongrel reliable?
70.94% of Mutt Mongrel MOT tests are passed first time, with an average of 0.05 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 2,289 Mutt Mongrel motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.