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Harley-Davidson FlhxModel year report

2018 Harley-Davidson Flhx Problems

Complaints
8filed with NHTSA
Median mileage
2,000miles, 6 complaints with mileage
Recalls
1campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2018 Harley-Davidson Flhx (complaints, recalls, investigations). Report an error

NHTSA recorded 8 consumer complaints for the 2018 Harley-Davidson Flhx. The part named most often is transmission and drivetrain, with 5 complaints (63% of the total), followed by electrical system (2) and engine (1). 6 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 2,000 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 1 recall campaign and 72 technical service bulletins for this model year. Transmission and drivetrain complaints overlap with 1 recall campaign and 24 technical service bulletins filed under the same part. Electrical system complaints overlap with 36 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Transmission and drivetrain: “I have a 2018 street glide and had the clutch actuator recall work performed at the dealer this past winter. It failed sunday and I was broke down. Harley dealer claimed they replaced it today all was well come get the bike.. As I was leaving the dealer with my so called fixed motorcycle I got of the highway on an off ramp the clutch lever had no resistance and did not respond as I was trying to gear down for my anticipated departure from the hwy! This could have killed me !! …”

NHTSA complaint #11222829, filed 2019-06, 15 miles

Electrical system: “Clutch safety switch intermittently not working. Can not be started in gear with clutch lever pulled in. Causes engine to idle rough and stall in traffic when idling at intersections.”

NHTSA complaint #11326749, filed 2020-06, 500 miles

Engine: “Transmission is losing oil into primary. It over fills the primary while draining the transmission of needed lubrication. An overfilled primary can cause hard shifts, and could potentially damage the clutch.”

NHTSA complaint #11142210, filed 2018-10, 3,500 miles

Mileage when problems were reported

100% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 25 and 4,600 miles.

83%0–1017%10–250%25–500%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (6 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 2,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20183201932020
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

Recall details for the 2018 Harley-Davidson Flhx → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 72 on record; the latest 10 are shown.

See all 72 bulletins →

Other model years of the Harley-Davidson Flhx

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2024109,1002———Too new
201882,0001———Not enough data
201754,0272———Not enough data
201486,0005———Not enough data
2013611,4560———Not enough data
20121626,3001———Falling
20111813,5002———Falling
20102422,5013———Stable
20092925,6003——Not compared (fewer than 3 comparable model years)Falling
20083024,0002——Not compared (fewer than 3 comparable model years)Falling
2007208,0500———Stable

All Harley-Davidson Flhx model years

Frequently asked questions

How many NHTSA complaints does the 2018 Harley-Davidson Flhx have?

NHTSA recorded 8 consumer complaints for the 2018 Harley-Davidson Flhx as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2018 Harley-Davidson Flhx is reported most often?

Transmission and drivetrain is named most often, in 5 complaints (63% of the total), followed by electrical system with 2.

Has the 2018 Harley-Davidson Flhx been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2018 Harley-Davidson Flhx reported?

Among the 6 complaints that include a mileage, the median is 2,000 miles and the middle half falls between 25 and 4,600 miles; 100% were filed for vehicles with under 50,000 miles.

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.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.