Mutt Fat Sabbath
Real ownership data from 760 UK Fat Sabbath motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Fat Sabbath problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | dangerous | 25.2% |
| Brakes | dangerous | 7.2% |
| Chain and sprockets | dangerous | 3.1% |
| Controls and cables | dangerous | 2.9% |
| Suspension | dangerous | 1.9% |
| Electrical | major | 1.7% |
| Steering and head bearings | dangerous | 1.6% |
| Brake discs and pads | dangerous | 1.5% |
Advisories (wear noted but not failed) are excluded above; the most common is brakes.
Fat Sabbath 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 | 17 | — | — | — |
| 2025 | 15 | — | — | — |
| 2024 | 37 | 1,474 mi | — | 100% |
| 2023 | 95 | 2,314 mi | — | 80% |
| 2022 | 168 | 2,822 mi | 904 | 66.44% |
| 2021 | 192 | 2,627 mi | 859 | 66.94% |
| 2020 | 162 | 3,844 mi | 731 | 71.43% |
| 2019 | 74 | 6,205 mi | 1,183 | 72.3% |
Fat Sabbath questions, answered with data
What are the most common problems with the Mutt Fat Sabbath?
Across 760 UK examples, the most frequently recorded MOT faults are lights and indicators (25.2% of all recorded faults), brakes (7.2% of all recorded faults), chain and sprockets (3.1% of all recorded faults).
What is average mileage for a Mutt Fat Sabbath?
The median Mutt Fat Sabbath in the UK has covered 3,333 miles, and typically rides about 908 miles a year. Half of all examples fall between 1,404 and 6,515 miles.
Is the Mutt Fat Sabbath reliable?
69.59% of Mutt Fat Sabbath MOT tests are passed first time, with an average of 1.09 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 760 Mutt Fat Sabbath motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.