AI Damage2007 Harley-Davidson Dyna: common problems
Owners of the 2007 Harley-Davidson Dyna filed 3 complaints with NHTSA, most often about service brakes and engine. Details by component below, with sources.
Key figures
- Owner complaints
- 3
What fails most often
- 1 Service brakes 67% of all complaints
- 2 Engine 33% of all complaints
- Service brakes: 2 complaints (67% of all).
- Engine: 1 complaints (33% of all).
Symptoms owners describe
How many of the 3 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 2 | 0 | 0 |
| Engine | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
While driving approximately 55 mph, the brakes failed to stop the vehicle. The contact had to downshift the front brake in order to decelerate the vehicle. The motorcycle was not diagnosed. The contact noticed that the brake line fractured and fluid was leaking. The vehicle was not repaired.
Tl* the contact owns a 2007 harley davidson dyna low rider motorcycle. The contact stated that after the engine had been running for a while, the vehicle failed to restart once it was shut off. The vehicle was taken to an independent mechanic where the technician diagnosed that the compensator needed to be replaced.
When the front brake was applied a clunk was heard and felt. Upon inspection the front brake rotor disk was shifting under the bolt heads that secure it to the rim. Torque value was verified to be within limits iaw the harley davidson maintenance manual. To find the problem requires two people.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 17,152 of 36,659 model years in the NHTSA data (top 47% most complained about).
On average one model year of the Dyna has 2 complaints (11 years in the data). This year has 3, above average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Other years of this model
Questions and answers
What are the most common problems with the 2007 Harley-Davidson Dyna?
Owner complaints to NHTSA most often mention: service brakes, engine. Total complaints: 3. The most frequent symptoms in complaint texts: brake failure (33%), knocking, grinding or other noise (33%), steering or power steering problems (33%).
How many service bulletins (TSB) were issued for the 2007 Harley-Davidson Dyna?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2007 Harley-Davidson Dyna from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2007 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.