2018 Harley-Davidson Flhtcutg Engine Problems
- Complaints
- 1about this part
- Share
- 14%of 7 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2018 Harley-Davidson Flhtcutg, 14% of the 7 complaints for this model year.
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.
“This Harley Davidson and many others won’t start while in gear. I was at a red light and when the light turned green I started in 1st gear and stalled the bike in the middle of the intersection. Normally Harley’s will start in gear so I tried but it wouldn’t. I had to turn off the bike, put it in neutral and start it. Harley issued a Service Bulletin, see attached, however unless the bike is under warranty they won’t fix it. This should be a recall as it’s very dangerous. I just purchased the bike and the previous owner had no idea. Please help fix this. Thanks”
NHTSA complaint #11429208, filed 2021-08Related service bulletins
- 11037861Sep 17, 2026SERVICE BULLETIN M1490 (V 26.9.4): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 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…
- 11035943Jul 30, 2026SERVICE BULLETIN M1508 (REV D): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE: Revision C. To inform dealers of a running change for the new reverse motor (Part No…
- 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…
- 11034748Jun 11, 2026SERVICE BULLETIN M1490 (V 26.7.3): 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…
- 11031147Mar 31, 2026SERVICE BULLETIN M1490 (V 26.5.2): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 11031167Mar 14, 2026SERVICE BULLETIN M1679: AFTERMARKET EXHAUST HEADER DEBRIS. PURPOSE: Initial release. This bulletin informs dealers that Harley-Davidson has identified instances of premature…
- 11028617Jan 30, 2026SERVICE BULLETIN M1508 (REV C): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE: Revision C. To inform dealers of a running change for the new reverse motor (Part No…
- 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…
Engine: other model years
Other parts of the 2018 Harley-Davidson Flhtcutg
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About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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