2019 Harley-Davidson Flhxs

I am submitting a second complaint. The first attempt I received a message that said there was an error on the submission. For the second time within 20,000 miles, I am replacing a rear head gasket and various other questionable leaks on my motor has result from the oil pump. There have been numerous complaints on the 2017 to 2019 Harley Davidson M8 oil pump. Harley Davidson even redesigned the oil pump for 2020 to resolve the issues. My motor has stalled at high speeds in the past two times. I understand there is a recall coming. Can you confirm this? I’ve decided to go ahead and update my oil pump because I don’t wanna end up on the highway or get it run over due to a faulty oil pump Design.

NHTSA ID

11768850

Incident

Sep 25, 2026

This is my second rear gasket replacement. I had my bike serviced this week. My bike stalls sometimes and I believe it is due to the oil pump issue associated with HD M8 motors 2017 through 2019. I don’t understand whether there is a recall? With so many motorcycles that have had seized motors, blown, gaskets, etc. HD even put out a Service bulletin M1450. Next, they redesigned their oil pump.I can’t wait for a recall and continue to put my life on the line. My understanding is that there is a recall coming. Can you confirm this?

NHTSA ID

11768846

Incident

Sep 25, 2026

The contact owns a 2019 Harley-Davidson Street Glide FLHXS. The contact stated that upon a routine oil change, oil was discovered leaking out of the primary oil cover. A dealer was notified of the failure and the contact was informed that an extensive diagnostic test needed to be performed to determine the cause of the failure. The motorcycle was then taken to an independent mechanic where it was discovered that the connection between the engine output shaft and the transmission was sucking fluid out of the transmission. The contact stated that the failure could potentially lead to transmission damage or failure. The mechanic also discovered Technical Service Bulletin: M1492 which was linked to the failure. Both the dealer and the manufacturer were notified of the service bulletin but offered no assistance. The contact was provided a case number from the manufacturer. The vehicle was not repaired. The failure mileage was unknown.

NHTSA ID

11583383

Incident

Jul 1, 2023

HARLEY DAVISON trans.in these Milwaukee 8 street glide has a 3rd gear problem. i have had min into Harley dealer now 5 times for same problem. when going on road the and you apply power for me take out he trans. and the topper was warranty dropped me now and refuse to fix the bike let alone cover it. when i bought bike everything done to it was done at dealer and by the book and now i'm left out to buy a 4000 trans when dealer and warranty approved screaming eagle kit. this is frustrating so now i'm asking what next?????

NHTSA ID

11560936

Incident

Jan 1, 2023

The contact owns a 2019 Harley Davidson Street Glide. The contact stated while riding 70 mph, the contact started smelling smoke coming from the motorcycle. The contact pulled over to the side of road and saw oil spilling from the motorcycle. The contact continued riding until he reached his residence. The contact took the motorcycle to the local dealer who inspected the motorcycle and diagnosed the failure as a base gasket leak and head gasket leak. The contact decided not to have the local dealer repair the motorcycle instead took the motorcycle to an independent mechanic for the repair. The motorcycle was not yet repaired. The manufacturer was made aware of the failure. The failure mileage was 12,747.

NHTSA ID

11424952

Incident

Jul 2, 2021

Mileage

12,747 mi

TRANSMISSIONS OIL IS GOING IN TO THE PRIMARY AND LEAVING THE TRANSMISSION DRY OIL IT ONLY HAPPENS ON THE 2019 FLUX WITH THE 114 IN IT THAT WE HAVE SEEN SO FAR

NHTSA ID

11222060

Incident

Jun 7, 2019

Mileage

1,934 mi

SERVICE 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 update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). New Software Update. NOTE: The TECHLINK 3 (PART NUMBER: HD-48650-TL3) supports Controller Area Network (CAN) and J-1850 protocol vehicles. • 6-pin CAN vehicles are recommended to use Techlink 3 (TL-3) • All 2021 (and later) vehicles must use TL-3 (connects to Red DLC on the vehicle) • 4-pin (J-1850) vehicles are recommended to use TL-3. This includes all Fuel Injected Harley-Davidson vehicles 2002 and later. TECHLINK 3 (PART NUMBER: HD-48650-TL3) will not support Buell, VDO and Magneti Marelli vehicles (4-pin DLC). Support for those vehicles is available via TECHLINK II (PART NUMBER: HD-48650-1). Version 26.9.4, Release Date: Week of September 17, 2026. New Features, Changes. NOTE: Software version (26.4.3) will need to be manually installed only if current software version of DT II is (26.0.2). After (26.4.3) is manually installed, automatic updates will bring DT II to the latest software version. Refer to bulletin M1713 for instructions.

SERVICE BULLETIN M1733: COSMETIC CYLINDER STAINING (ALL MILWAUKEE-EIGHT MODELS). PURPOSE: Initial release. This bulletin informs dealers that cosmetic staining or etching on the inside of the cylinder bore does not have an impact on engine performance, oil consumption, or overall functionality. This bulletin provides example images of cylinders with cosmetic staining, and images of cases where cylinder replacement would be recommended.

SERVICE 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 update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). Version Version 26.8.3, Release Date: Week of July 24, 2026. NOTE: Software version (26.4.3) will need to be manually installed only if current software version of DT II is (26.0.2). After (26.4.3) is manually installed, automatic updates will bring DT II to the latest software version. Refer to bulletin M1713 for instructions. New Features - Harley-Davidson: 2023-2024 Touring: Updated Electronic Control Module (ECM) calibration offerings. LiveWire: S2DM/MH/AP: Calibration bundle 10.2.28: Telematic Control Unit (TCU) reflash updates. Change: Vehicle Setup: Body Control Module (BCM) – Tire Pressure Monitoring System (TPMS) Replacement: Correct issue where tire size selections were not available. System Info – Auxiliary Load Controller (ALC): Added Bike configuration field. Data Items – Trike ECM: Improved display of Gear Position when in reverse. Amp – Added support for (Part No. 76001619).

SERVICE 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 update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). Version 26.7.3. Release Date:• Week of June 11, 2026. NOTE Software version (26.4.3) will need to be manually installed only if current software version of DT II is (26.0.2). After (26.4.3) is manually installed, automatic updates will bring DT II to the latest software version. Refer to bulletin M1713 for instructions.

SERVICE 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 update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). Version 26.6.2. Release Date: Week of April 22, 2026. NOTE: Software version (26.4.3) will need to be manually installed only if current software version of DT II is (26.0.2). After (26.4.3) is manually installed, automatic updates will bring DT II to the latest software version. Refer to bulletin M1713 for instructions. New Features: 2026 Police • Vehicle Setup: Civilianize; LiveWire • S2: Del Mar (S2DM), Mulholland (S2MH), Alpinista (S2AP) - Calibration bundle 10.2.20: Vehicle Supervisory Controller (VSC) and Onboard Charger (OBC) reflash updates. Changes: 2026 Trike • Update “Reverse Lockout Reason” resize column.

SERVICE 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 update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). Version 26.5.2 Release Date: Week of March 30, 2026. NOTE Software version (26.4.3) will need to be manually installed only if current software version of DT II is (26.0.2). After (26.4.3) is manually installed, automatic updates will bring DT II to the latest software version. Refer to bulletin M1713 for instructions. New Features. 2024: Pan America (RA1250), Pan America Special (RA1250S), CVO Pan America (RA1250SE) • Updated Body Control Module (BCM) reflash calibration. 2024-2026: CVO Road Glide ST (FLTRXSTSE) • Updated Electronic Control Module (ECM) reflash calibration. 2026: CVO Street Glide ST (FLHXSTSE) • Updated ECM reflash calibration. Changes. 2026 Trike • Update “Reverse Lockout Reason” to support new values, • “Vehicle setup: Gear Indicator Calibration” – improve operation. 2025-2026 Softail • Update reflash for Softail Speedometer (SPDO) – enable operation of auxiliary lamp telltale. LiveWire S2 • Provide reflash support for Vehicle Supervisory Controller (VSC) hardware (Part No. 41001756RE).