2015 Harley-Davidson Fltrxs Engine Problems
- Complaints
- 1about this part
- Share
- 14%of 7 total for the year
- Median mileage
- 22miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2015 Harley-Davidson Fltrxs, 14% of the 7 complaints for this model year. Where a mileage was given, the median is 22 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2015 Harley-Davidson Fltrxs. While the vehicle was idling, the contact heard a loud knocking noise. The vehicle was taken to the dealer for diagnostic testing. The manufacturer was informed not to touch the vehicle until it reached 1,000 miles and they would give the dealer a procedure to follow. The manufacturer was notified. The failure mileage was 22.”
NHTSA complaint #10762150, filed 2015-09, 22 milesRelated service bulletins
- 11032492Apr 25, 2026SERVICE BULLETIN M1727: BIG TWIN INNER PRIMARY SEAL CHANGES. PURPOSE: Initial release. This bulletin informs dealers of changes to the Inner Primary Seal (Part No. 12052). The…
- 11014014Jan 24, 2025SERVICE BULLETIN M1650: MILWAUKEE EIGHT AND TWIN CAM CAMSHAFT DRIVE GEAR RETENTION KIT CHANGES. PURPOSE: This bulletin informs dealers that changes have been made to the Camshaft…
- 11005514Jul 10, 2024GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1158: OIL FILTER PACKAGING AND CASE QUANTITY UPDATE. PURPOSE: To inform dealerships that Harley-Davidson has made updates to…
Engine: other model years
Other parts of the 2015 Harley-Davidson Fltrxs
4 complaintsVehicle speed control
3 complaintsOther or unknown
1 complaintsTransmission and drivetrain
1 complaintsWheels
1 complaints
← All problems reported for the 2015 Harley-Davidson Fltrxs
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology