2021 Harley-Davidson FLRT technical service bulletins

61 technical service bulletins and manufacturer communications cover the 2021 Harley-Davidson FLRT, including 5 warranty extensions.

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Oct 31, 2025 Warranty extensionTIRE TREAD DEPTH GUIDE-UPDATE. PURPOSE: [Revision C. Updated: Tire Tread Depth Guide
Apr 18, 2025 Warranty extensionBattery warranty guidelines
Oct 11, 2024 Warranty extensionTIRE TREAD DEPTH GUIDE-UPDATE. PURPOSE: [Revision B. Updated: Tire Tread Depth Guide
Oct 9, 2024 Warranty extensionBATTERY WARRANTY GUIDELINES. PURPOSE: [Revision F. Added: Added video link for the DCA-8000 Battery Tester
Sep 12, 2024 Warranty extensionBattery warranty guidelines
Sep 17, 2026 Service bulletinDigital technician II - updates and release notes
Aug 14, 2026 Service bulletinCosmetic cylinder staining (all milwaukee-eight models)
Jul 30, 2026 Service bulletin2009-2025 trike platform - reverse motor
Jul 25, 2026 Service bulletinDigital technician II - updates and release notes
Jun 11, 2026 Service bulletinDigital technician II - updates and release notes
Apr 24, 2026 Service bulletinDigital technician II - updates and release notes
Mar 31, 2026 Service bulletinDigital technician II - updates and release notes
Mar 14, 2026 Service bulletinAftermarket exhaust header debris
Feb 25, 2026 Service bulletinDigital technician II - updates and release notes
Feb 25, 2026 Service bulletinDtii update procedure for software version (26.4.3)
Feb 13, 2026 Service bulletinHarley-davidson audio powered by rockford fosgate p&a wiring schematics
Jan 30, 2026 Service bulletin2009-2025 trike platform - reverse motor
Jan 28, 2026 Service bulletinDigital technician II - updates and release notes
Jan 28, 2026 Service bulletinDtii update procedure for software version (26.3.2)
Dec 18, 2025 Service bulletinDigital technician II - updates and release notes
Dec 18, 2025 Service bulletinDtii update procedure for software version (26.1.5)
Nov 18, 2025 Service bulletinDigital technician II - updates and release notes
Oct 28, 2025 Service bulletinMidtronics GRX-3110 and DCA-8000 software
Oct 25, 2025 Service bulletinGenuine motor parts and accessories bulletin PAB1171 (rev b): software update for screamin eagle pro...
Sep 6, 2025 Service bulletinDigital technician II - updates and release notes
Aug 26, 2025 Service bulletinMidtronics GRX-3110 and DCA-8000 software
Aug 26, 2025 Service bulletinDigital technician II - updates and release notes
Aug 16, 2025 Service bulletinMarket specific battery introduction
Jul 1, 2025 Service bulletinMilwaukee-eight transmission shift drum update
Mar 29, 2025 Service bulletinGenuine motor parts and motor accessories bulletin PAB1165 (rev a): h-d SYN3 sae 15W50 / sae 50 availability
Mar 1, 2025 Service bulletinBATTERY WARRANTY GUIDELINES. PURPOSE: [Revision G: Updated: Information on Battery
Feb 11, 2025 Service bulletinGenuine motor parts and motor accessories bulletin PAB1165: h-d SYN3 sae 15W50 / sae 50 availability
Jan 29, 2025 Service bulletinMilwaukee-eight transmission shift drum update
Jan 24, 2025 Service bulletinMilwaukee eight and twin cam camshaft drive gear retention kit changes
Jan 3, 2025 Service bulletin2009-2025 trike platform
Nov 12, 2024 Service bulletinGenuine motor parts and motor accessories bulletin PAB1162: pro street tuner-vin and calibration search
Aug 8, 2024 Service bulletinDigital technician II - updates and release notes
Jul 10, 2024 Service bulletinGenuine motor parts and motor accessories bulletin PAB1158: oil filter packaging and case quantity update
May 1, 2024 Service bulletinDigital technician II - updates and release notes
Apr 4, 2024 Service bulletinMilwaukee-eight and twin cam transmission gear packs.
Dec 18, 2023 Service bulletinGenuine motor parts and motor accessories bulletin PAB1144: 2021-2022 screamin' eagle stage i (CARB) eo...
Dec 4, 2023 Service bulletinMilwaukee-eight and twin cam transmission gear packs.
Dec 4, 2023 Service bulletinMilwaukee-eight and twin cam transmission gear packs.
Nov 9, 2023 Service bulletinGenuine motor parts and motor accessories bulletin PAB1144: 2021-2022 screamin' eagle stage i (CARB) eo...
Oct 23, 2023 Service bulletinMilwaukee-eight transmission shift drum update
Oct 9, 2023 Service bulletinGenuine motor parts and motor accessories bulletin PAB1143: screamin eagle carb approvals
Aug 10, 2023 Service bulletin2023 milwaukee eight oil pan fastener change
Jul 27, 2023 Service bulletinGenuine motor parts and motor accessories bulletin PAB1140: california screamin’ eagle pro street tuner
Apr 28, 2023 Service bulletinScreamin' eagle oil pump incorrectly machined
Dec 21, 2022 Service bulletinLow/no charging diagnostics.
Nov 30, 2022 Service bulletin2021 touring and trike mechanical clutch cable
Jul 5, 2022 Service bulletinGenuine motor parts and motor accessories bulletin PAB1111: 2021 vehicles - screamin' eagle updates
Mar 16, 2022 Service bulletinLow/no charging diagnostics.
Jan 3, 2022 Service bulletin2021 touring and trike mechanical clutch cable
Nov 16, 2021 Service bulletinMY21 transmission dipstick change
Mar 26, 2021 Service bulletin2021 initial care
Mar 23, 2021 Service bulletinGenuine motor parts and motor accessories bulletin PAB1116: push-to-talk/cruise hand control kit - fitment...
Mar 12, 2021 Service bulletinGenuine motor parts and motor accessories bulletin PAB1110: 2021 touring & trike - coolflow fan fitment
Jan 27, 2016 Service bulletinHarley-Davidson is aware of conditions that may result in a streaking appearance or film residue on the...

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