Mutt Fat Sabbath
Real ownership data from 782 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 |
|---|---|---|
| Other | major | 14.9% |
| Steering and head bearings | dangerous | 7.9% |
| Controls and cables | dangerous | 7.9% |
| Chain and sprockets | major | 6.9% |
| Exhaust and emissions | major | 5.9% |
| Lights and indicators | major | 5.9% |
| Brake discs and pads | major | 4% |
| Tyres | dangerous | 3% |
Advisories (wear noted but not failed) are excluded above; the most common is fluid leaks.
Fat Sabbath 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 | 38 | — | — | — |
| 2025 | 15 | — | — | — |
| 2024 | 37 | 1,474 mi | — | 100% |
| 2023 | 96 | 2,530 mi | — | 75% |
| 2022 | 168 | 2,822 mi | 879 | 66.25% |
| 2021 | 192 | 2,727 mi | 758 | 67.53% |
| 2020 | 162 | 3,847 mi | 776 | 71.94% |
| 2019 | 74 | 6,205 mi | 1,183 | 71.43% |
Fat Sabbath questions, answered with data
What are the most common problems with the Mutt Fat Sabbath?
Across 782 UK examples, the most frequently recorded MOT faults are other (14.9% of all recorded faults), steering and head bearings (7.9% of all recorded faults), controls and cables (7.9% of all recorded faults).
What is average mileage for a Mutt Fat Sabbath?
The median Mutt Fat Sabbath in the UK has covered 3,445 miles, and typically rides about 884 miles a year. Half of all examples fall between 1,466 and 6,716 miles.
Is the Mutt Fat Sabbath reliable?
69.62% of Mutt Fat Sabbath MOT tests are passed first time, with an average of 0.09 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 782 Mutt Fat Sabbath motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.