2011 Harley-Davidson Flhx Engine Problems
- Complaints
- 1about this part
- Share
- 6%of 18 total for the year
- Median mileage
- 100miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2011 Harley-Davidson Flhx, 6% of the 18 complaints for this model year. Where a mileage was given, the median is 100 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.
“Leg burns due to excessive heat from rear engine cylinder. Measure radiant heat at 340 degrees. This has caused red burn on the back of the right leg. Heat is felt while in motion on 80 degree days. Increases during stops for lights. Have brought to dealer and manufacturers attention over the past 5 years.”
NHTSA complaint #10885325, filed 2016-07, 100 milesRelated service bulletins
- 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 2011 Harley-Davidson Flhx
8 complaintsTires
3 complaintsExterior lighting
2 complaintsWheels
2 complaintsEquipment
1 complaintsSteering
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2011 Harley-Davidson Flhx
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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