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EnginePart report

2007 Harley-Davidson Flhx Engine Problems

Complaints
1about this part
Share
5%of 20 total for the year
Median mileage
15,999miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine of the 2007 Harley-Davidson Flhx, 5% of the 20 complaints for this model year. Where a mileage was given, the median is 15,999 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.

“Engine produces excess heat that can burn you and when hot runs erratic at idle. Especially noticble when stopped at a light and the systems gets so hot it can burn your legs. I have an older harley and this is not a problem with it”

NHTSA complaint #10882363, filed 2016-07, 15,999 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2018113%
2017120%
2013117%
201216%
201116%
2010417%
200927%
2008413%
200715%

Other parts of the 2007 Harley-Davidson Flhx

Transmission and drivetrain
9 complaints
Engine cooling
6 complaints
Steering
2 complaints
Suspension
2 complaints
Tires
2 complaints
Electrical system
1 complaints
Equipment
1 complaints
Fuel system
1 complaints
Wheels
1 complaints

← All problems reported for the 2007 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