AI DamageHarley-Davidson Sportster: problems, complaints, bulletins
Summary for the Harley-Davidson Sportster across 15 model years: 65 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Visibility 18% of all complaints
- 2 Engine and cooling 17% of all complaints
- 3 Powertrain 15% of all complaints
- 4 Fuel system 14% of all complaints
- 5 Electrical system 8% of all complaints
- 6 Equipment 8% of all complaints
- 7 Service brakes 8% of all complaints
- 8 Steering 6% of all complaints
- Visibility: 12 complaints (18% of all).
- Engine and cooling: 11 complaints (17% of all).
- Powertrain: 10 complaints (15% of all).
- Fuel system: 9 complaints (14% of all).
- Electrical system: 5 complaints (8% of all).
Symptoms owners describe
How many of the 65 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) |
|---|---|---|---|
| Visibility | 12 | 0 | 0 |
| Engine and cooling | 11 | 0 | 0 |
| Powertrain | 10 | 0 | 0 |
| Fuel system | 9 | 0 | 0 |
| Electrical system | 5 | 0 | 0 |
| Equipment | 5 | 0 | 0 |
| Service brakes | 5 | 2 | 0 |
| Steering | 4 | 0 | 0 |
| Structure | 4 | 0 | 0 |
| Exterior lighting | 3 | 1 | 0 |
| Child seat | 1 | 1 | 0 |
| Engine | 1 | 0 | 0 |
| Suspension | 1 | 0 | 0 |
| Vehicle speed control | 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.
We are trying to protect our children with all of these laws, even an adult can not ride in a car without a seat belt, but a motorcycle rider can ride without a helmet and he can even ride with his child. Are they above the law?
Another note: (re: persons complaint on oil leaks, leak around air cleaner) I got the bike when it had 5 k miles on it. Bought it in az and rode to houston, tx. The bike started leaking around the rocker boxes and local tx dealer said it was a "common problem" on sportsters. Do
Rear tail light came off motorcycle and lodged in rear wheel at 65mph, 3 other complaints from same type motorcycle owners in quick survey. Harley davidson isn't even interested.
In a simple collision with a deer' I layed the motorcycle down "very hard" on it's right side,but due to the foot peg/rear brake pedal assembly being supported only by an aluminum sprocket case,the peg snaped off 'breaking my foot!
Engine stopped running while traveling.negative terminal was loose. This happened again on aug 5th 2014. Shouldnt the engine continue running with alternator or generator?
Tl* the contact owns a 2008 harley davidson sportster motorcycle. The contact was driving 40 mph when a noise emitted from the front fender. The contact noticed the steering column had struck the frame of the vehicle. The vehicle was hard to steer when the failure occurred.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Visibility. Wipers, mirrors, defrosters, cracked glass.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
Other models of this make
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 2026-11-05.