Harley-Davidson Dyna
Real ownership data from 5,369 UK Dyna motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Dyna problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Frame and structure | user entered | 7.6% |
| Wheels | user entered | 6.7% |
| Lights and indicators | dangerous | 6.7% |
| Fluid leaks | fail | 6.3% |
| Suspension | dangerous | 4.9% |
| Other | fail | 3.6% |
| Fork seals | major | 3.6% |
| Fuel system | major | 3.6% |
Advisories (wear noted but not failed) are excluded above; the most common is exhaust and emissions.
Dyna 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 | |
|---|---|---|---|---|
| 2021 | 11 | 4,272 mi | 545 | 90% |
| 2020 | 47 | 3,648 mi | 512 | 90.32% |
| 2019 | 83 | 4,912 mi | 556 | 91.34% |
| 2018 | 70 | 6,636 mi | 709 | 83.51% |
| 2016 | 162 | 10,920 mi | 921 | 85.73% |
| 2015 | 149 | 12,189 mi | 930 | 87.37% |
| 2014 | 146 | 12,937 mi | 1,094 | 90.21% |
| 2013 | 7 | 6,327 mi | 552 | 81.82% |
| 2011 | 18 | 12,680 mi | 1,196 | 86.67% |
| 2010 | 62 | 12,265 mi | 676 | 88.87% |
| 2009 | 130 | 15,015 mi | 997 | 88.69% |
| 2008 | 119 | 14,655 mi | 846 | 91.02% |
| 2007 | 117 | 13,857 mi | 619 | 91.05% |
| 2006 | 552 | 14,943 mi | 784 | 88.57% |
| 2005 | 458 | 17,489 mi | 877 | 88.64% |
| 2004 | 446 | 17,552 mi | 870 | 89.9% |
| 2003 | 380 | 18,483 mi | 834 | 89.19% |
| 2002 | 395 | 17,870 mi | 925 | 90.46% |
| 2001 | 413 | 19,596 mi | 750 | 90.11% |
| 2000 | 378 | 21,126 mi | 758 | 89.32% |
Dyna questions, answered with data
What are the most common problems with the Harley-Davidson Dyna?
Across 5,369 UK examples, the most frequently recorded MOT faults are frame and structure (7.6% of all recorded faults), wheels (6.7% of all recorded faults), lights and indicators (6.7% of all recorded faults).
What is average mileage for a Harley-Davidson Dyna?
The median Harley-Davidson Dyna in the UK has covered 16,956 miles, and typically rides about 801 miles a year. Half of all examples fall between 8,798 and 28,018 miles.
Is the Harley-Davidson Dyna reliable?
89.28% of Harley-Davidson Dyna MOT tests are passed first time, with an average of 0 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 5,369 Harley-Davidson Dyna motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.