2017 Harley-Davidson Flhx Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 8,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2017 Harley-Davidson Flhx, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 8,000 miles. 1 recall campaign on record is filed under a similar system.
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.
“While driving long distances at highway speeds, transmission lubricant is transferring to the primary chaincase, causing the primary chaincase to overfill. If not detected immediately by verifying fluid level, this can cause transmission and/or clutch damage.”
NHTSA complaint #11014685, filed 2017-08, 8,000 milesRelated recalls
- 18V734000Oct 18, 2018Harley-Davidson Motor Company (Harley-Davidson) is recalling certain 2017-2018 Police Road King (FLHP), Road King (FLHR), Road King Special (FLHRXS), Electra…Covers: Harley-Davidson Flhx 2017–2018, Flhtk 2017–2018, Flhtcutg 2017–2018 +17 more
Related service bulletins
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- 11036578Aug 14, 2026SERVICE BULLETIN M1733: COSMETIC CYLINDER STAINING (ALL MILWAUKEE-EIGHT MODELS). PURPOSE: Initial release. This bulletin informs dealers that cosmetic staining or etching on the…
- 11035941Jul 25, 2026SERVICE BULLETIN M1490 (V 26.8.3): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 11032452Apr 24, 2026SERVICE BULLETIN M1490 (V 26.6.2): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 11028618Jan 28, 2026SERVICE BULLETIN M1713 (REV B): DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.3.2). PURPOSE: Revision B. This bulletin informs dealers that an issue was discovered in the…
- 11021201Jul 1, 2025SERVICE BULLETIN M1611 (REV B): MILWAUKEE-EIGHT TRANSMISSION SHIFT DRUM UPDATE. PURPOSE: Revision. This bulletin informs dealers that (Part No. 33900172) is obsolete. Dealers…
- 11015450Feb 11, 2025GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1165: H-D SYN3 SAE 15W50 / SAE 50 AVAILABILITY. PURPOSE: This bulletin informs of the availability of the SYN3 New Improved…
- 11014011Jan 29, 2025SERVICE BULLETIN M1611 (REV A): MILWAUKEE-EIGHT TRANSMISSION SHIFT DRUM UPDATE. PURPOSE: This bulletin informs dealers that (Part No. 33900172) is obsolete. Dealers must purchase…
- 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…
Transmission and drivetrain: other model years
Other parts of the 2017 Harley-Davidson Flhx
← All problems reported for the 2017 Harley-Davidson Flhx
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