2021 Harley-Davidson Fltrxse technical service bulletins

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 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 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
• 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 16, 2024 Service bulletinGenuine motor parts and motor accessories bulletin PAB1149 (rev a): digital technician II update for...
• Apr 4, 2024 Service bulletinMilwaukee-eight and twin cam transmission gear packs.
• Mar 4, 2024 Service bulletinGenuine motor parts and motor accessories bulletin PAB1153: california air resources board (CARB) approval...
• 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
• Sep 23, 2022 Service bulletinTECHNICAL TIP BULLETIN TA0016: 2014 and Later Touring Steering Head Bearing Adjustment
• 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
• Sep 30, 2021 Service bulletin30K wireless headset
• Jun 8, 2021 Service bulletinGenuine motor parts and motor accessories bulletin PAB1119: harley-davidson audio bluetooth dongle &...
• 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
• Mar 9, 2021 Service bulletinGenuine motor parts and motor accessories bulletin PAB1115: handlebar fitment matrix update
• Jan 27, 2016 Service bulletinHarley-Davidson is aware of conditions that may result in a streaking appearance or film residue on the...