2018 Harley-Davidson FLHR problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
5 owner complaints analyzed
1 distinct recall campaigns
3,450 mi median reported failure mileage
Scope: 2018 model year. Data snapshot: . 4 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Power Train is the most frequently named component, appearing in 3 of 5 complaints (60.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 2 | 40.0% |
| Engine operation | 1 | 20.0% |
| Braking behavior | 1 | 20.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Power Train | 3 |
| Engine | 2 |
Power Train: 3; Engine: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 4 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 4; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (4). 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2026 | 1 |
2018: 1; 2019: 1; 2020: 1; 2022: 1; 2026: 1
Pattern summary
Power Train leads the component reports. Transmission and shifting appears in 2 complaint narratives. Engine operation appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11329656 · 2020-06-18 (June 18, 2020)
THIS IS A DESCRIPTION OF THE DRIVABILITY PROBLEMS CAUSED BY THE EXCESSIVE PRIMARY CASE FLUID. WHILE IN MOTION ON A CITY STREET THE MOTORCYCLE WOULD SOMETIMES NOT SHIFT DOWN FROM 3RD-2ND OR FROM 2ND TO 1ST GEARS. THIS CAUSES PROBLEMS WHEN TURNING AND WANTING TO USE ENGINE BREAKING TO SLOW DOWN DURING THE TURN. I COULD NOT USE THE ENGINE BREAKING AND WOULD HAVE TO USE THE BRAKES QUICKLY AS TO NOT CAUSE AN ACCIDENT. ALSO, WHEN SITTING STILL WITH ENGINE RUNNING IN NEUTRAL AT A TRAFFIC LIGHT, THE TRANSMISSION WOULD SOMETIMES NOT SHIFT FROM NEUTRAL …
Owner-reported narrative. 17,000 miles reported. Look up ODI 11329656 at NHTSA ↗
Owner report 11460871 · 2022-04-15 (April 15, 2022)
The contact owns a 2018 Harley-Davidson FLHR Road King. The contact stated that upon start of the motorcycle there was an abnormal grinding sound coming from the motorcycle without warning. The contact had taken the motorcycle to a dealer where he was informed that the gears inside of the transmission were breaking apart and that the transmission needed to be replaced. The dealer was able to order a new transmission and replaced the transmission under warranty; however, despite the repair, the failure returned and the contact returned the motor…
Owner-reported narrative. 6,100 miles reported. Look up ODI 11460871 at NHTSA ↗
Owner report 11097743 · 2018-05-24 (May 24, 2018)
ENGINE GETS HOT AND STALLS OUT IN TRAFFIC DUE TO ENGINE CASE FILLING WITH OIL, HARLEY CALLS THIS WET SUMPING, HUNDREDS OF BIKE ENGINES ARE BLOWING UP ALL OVER THE WORLD, ITS ALL OVER THE INTERNET, WITH HARLEYS NEW M8 ENGINE, THE BIKE STALLS OUT WITH NO WARNING, IVE HAD CARS AND TRUCKS ALMOST RUN ME OVER.
Owner-reported narrative. 100 miles reported. Look up ODI 11097743 at NHTSA ↗