Harley-Davidson Dyna Fat Bob
Real ownership data from 906 UK Dyna Fat Bob motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Dyna Fat Bob problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brake discs and pads | dangerous | 17.6% |
| Tyres | fail | 9.9% |
| Steering and head bearings | dangerous | 9.9% |
| Brakes | fail | 6.3% |
| Controls and cables | major | 5% |
| Lights and indicators | major | 4.5% |
| Suspension | dangerous | 4.1% |
| Electrical | minor | 2.7% |
Advisories (wear noted but not failed) are excluded above; the most common is fork seals.
Dyna Fat Bob 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 | |
|---|---|---|---|---|
| 2017 | 5 | 15,468 mi | 794 | 94.12% |
| 2014 | 12 | 11,264 mi | 863 | 89.33% |
| 2013 | 10 | 23,944 mi | 1,479 | 80.85% |
| 2012 | 46 | 17,708 mi | 1,080 | 87.92% |
| 2011 | 125 | 17,751 mi | 1,039 | 86.67% |
| 2010 | 177 | 16,265 mi | 882 | 88.03% |
| 2009 | 223 | 15,652 mi | 898 | 89.19% |
| 2008 | 252 | 17,291 mi | 983 | 88.91% |
| 2007 | 48 | 17,243 mi | 1,032 | 87.7% |
Dyna Fat Bob questions, answered with data
What are the most common problems with the Harley-Davidson Dyna Fat Bob?
Across 906 UK examples, the most frequently recorded MOT faults are brake discs and pads (17.6% of all recorded faults), tyres (9.9% of all recorded faults), steering and head bearings (9.9% of all recorded faults).
What is average mileage for a Harley-Davidson Dyna Fat Bob?
The median Harley-Davidson Dyna Fat Bob in the UK has covered 16,664 miles, and typically rides about 955 miles a year. Half of all examples fall between 9,994 and 25,471 miles.
Is the Harley-Davidson Dyna Fat Bob reliable?
88.38% of Harley-Davidson Dyna Fat Bob 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 906 Harley-Davidson Dyna Fat Bob motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.