2021 Harley-Davidson RA1250 Technical Service Bulletins

78 technical service bulletins (TSBs) are on record for the 2021 Harley-Davidson RA1250. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037861Sep 17, 2026Engine, Fuel system, Other or unknown, Electrical system, Transmission and…. 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.
• 11035941Jul 25, 2026Wheels, Transmission and drivetrain, Electrical system, Vehicle speed control…. 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…
• 11034748Jun 11, 2026Electrical system, Exterior lighting, Engine, Fuel system. 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…
• 11032452Apr 24, 2026Engine, Fuel system, Transmission and drivetrain, Electrical system, Vehicle…. 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…
• 11031172Mar 31, 2026Fuel system, Engine, Vehicle speed control, Electrical system, Transmission…. SERVICE BULLETIN M1720 (REV A): PAN AMERICA ELECTRONIC CONTROL MODULE (ECM) UPDATE. PURPOSE: Initial release 3/3/2026. Revision A. 3/30/2026. Updated: Purpose for Service Bulletin and Required Dealer Action. Adjust information for 2024 models. Purpose for Service Bulletin. This bulletin informs dealers that there is an Electronic Control Module (ECM) update available for 2021-2025 RA1250, RA1250S, RA1250ST and…
• 11031147Mar 31, 2026Engine, Electrical system, Vehicle speed control, Other or unknown, Fuel system. 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…
• 11031167Mar 14, 2026Other or unknown, Engine. SERVICE BULLETIN M1679: AFTERMARKET EXHAUST HEADER DEBRIS. PURPOSE: Initial release. This bulletin informs dealers that Harley-Davidson has identified instances of premature engine failure due to abrasive particle wear, specifically from debris inside new aftermarket exhaust headers.
• 11031168Mar 10, 2026Engine, Fuel system, Electrical system, Vehicle speed control, Other or unknown. SERVICE BULLETIN M1695 (REV A): PAN AMERICA BCM AND ECM UPDATE. PURPOSE: Revision A. Updated: Purpose for Service Bulletin, Updated engine operation details after a cold start. This bulletin informs dealers that there is a Body Control Module (BCM) and Electronic Control Module (ECM) update available for 2021- 2023 RA1250 and RA1250S on Digital Technician II (DT II). Also an ECM update is available for the 2024…
• 11029728Feb 25, 2026Electrical system, Other or unknown. SERVICE BULLETIN M1713 (REV C): DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.4.3). PURPOSE: Revision C. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November 18, 2025. The issue prevents automatic software updates to be installed on your DT II computer.
• 11029727Feb 25, 2026Other or unknown, Electrical system. SERVICE BULLETIN M1490 (V 26.4.3): 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 26.4.3 Release Date: Week of February 25, 2026. NOTE: Software version (26.4.3) will need to be manually installed only if current software…
• 11028618Jan 28, 2026Fuel system, Transmission and drivetrain, Electrical system, Other or unknown…. SERVICE 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 Digital Technician II (DT II) software version (26.0.2), released on November 18, 2025. The issue prevents automatic software updates to be installed on your DT II computer.
• 11028615Jan 28, 2026Fuel system, Electrical system, Vehicle speed control, Other or unknown, Engine. SERVICE BULLETIN M1490 (V 26.3.2): 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 26.3.2. Release Date: Week of January 28, 2026. NOTE Software version (26.3.2) will need to be manually installed only if current software version…
• 11027551Dec 18, 2025Electrical system. SERVICE BULLETIN M1713: DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.1.5). PURPOSE: Initial Release. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November 18, 2025. The issue prevents automatic software updates to be installed on your DT II computer. A manual installation of the latest DT II software version (26.1.5) will…
• 11027538Dec 18, 2025Wheels, Electrical system, Other or unknown. SERVICE BULLETIN M1490 (V 26.1.5): 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 Version 26.1.5. Release Date: Week of December 15, 2025. NOTE: Software version (26.1.5) will need to be manually installed. Refer to…
• 11026163Nov 18, 2025Other or unknown, Electrical system. SERVICE BULLETIN M1490 (V 26.0.2): 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). New Software Update Version 26.0.2. Release Date: Week of November 18, 2025. New Features, Changes. 2026 Vehicles, 2025 Softail and LiveWire S2DM/MH/AP EV3.
• 11026189Nov 6, 2025Other or unknown, Transmission and drivetrain, Fuel system, Engine. SERVICE BULLETIN M1692: REVOLUTION MAX OIL SYSTEM SCAVENGE SCREEN. PURPOSE: Initial Release. This bulletin informs dealers that all 2026 Revolution® Max Powertains will come equipped with oil scavenge screens installed in the clutch and water pump cavities of the oil system. Oil scavenge screens prevent debris from entering the oil pump, potentially causing damage that would require additional inspection and repair…
• 11025169Oct 31, 2025Wheels. WARRANTY BULLETIN W146 (REV C): TIRE TREAD DEPTH GUIDE-UPDATE. PURPOSE: [Revision C. Updated: Tire Tread Depth Guide. Add tire part numbers 43100063, 43200035,43100029A, 43100033A and 43200045A.] To provide tire tread depth specifications for the dealership network to consult when filling warranty claims on used tires. Please see the Warranty Manual of your region for tire policy guidelines.
• 11023967Sep 6, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1490 (V 25.8.9): 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 Version 25.8.9 Release Date: Week of September 2, 2025. Changes: LiveWire 2024 S2MH: Removal of incorrect Electro Hydraulic Control…
• 11022968Aug 26, 2025Other or unknown, Electrical system. SERVICE BULLETIN M1490 (V 25.8.7): 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 Version 25.6.4, Release Date: Week of August 19, 2025. Includes New Features and Changes for the Models & Model Years listed.
• 11022972Aug 21, 2025Fuel system, Electrical system, Engine, Vehicle speed control, Transmission…. SERVICE BULLETIN M1695: PAN AMERICA BCM AND ECM UPDATE. PURPOSE: Initial Release. Purpose for Service Bulletin. This bulletin informs dealers that there is a Body Control Module (BCM) and Electronic Control Module (ECM) update available for 2021- 2023 RA1250 and RA1250S on Digital Technician II (DT II). Also an ECM update is available for the 2024 RA1250, RA1250S and RA1250SE on DT II. The update improves engine…
• 11022969Aug 16, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1684: MARKET SPECIFIC BATTERY INTRODUCTION. PURPOSE: Initial Release. This bulletin informs dealers of the availability of new batteries for new Original Equipment (OE) vehicle production and in the Parts and Accessories (P&A) catalog. Availability of the new Absorbed Glass Mat (AGM) batteries will vary by market and will be transitioning over the next few months. NOTE: The ring terminal screws…
• 11020176Jun 13, 2025Engine, Fuel system. SERVICE BULLETIN M1674: REDESIGNED FUEL PUMP FOR SPORTSTER S AND PAN AMERICA. Purpose: Initial Release. To inform dealers that a new redesigned Fuel Pump Module is available for the Sportster S and Pan America vehicles. The new Fuel Pump Module (Part No. 61200062A) has a larger fuel filter with new media and a slightly different housing to allow for assembly. This new Fuel Pump Module is retrofittable to all older…
• 11018144Apr 18, 2025Other or unknown, Electrical system. SERVICE BULLETIN M1555 (REV H): BATTERY WARRANTY GUIDELINES. PURPOSE: This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty. REV H. Update section headers: AGM and Lithium-Iron Phosphate Batteries. Add graphics and callouts. Updated: Information on Battery.
• 11016842Mar 29, 2025Other or unknown, Engine. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1165 (REV A): H-D SYN3 SAE 15W50 / SAE 50 AVAILABILITY. PURPOSE: Revision (A) * Updated: Summary, Update table. This bulletin informs of the availability of the SYN3 New Improved Formula, a dual weight SAE 15W50 / SAE 50 Motorcycle Oil. The new formula transitions into inventory as the old SYN3 20W50 product inventory is depleted. Availability varies by SKU and…
• 11015434Mar 1, 2025Other or unknown, Electrical system. SERVICE BULLETIN M1555 (REV G): BATTERY WARRANTY GUIDELINES. PURPOSE: [Revision G: Updated: Information on Battery. Update section headers: AGM and Lithium-Ion Batteries.] This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
• 11015450Feb 11, 2025Engine, Other or unknown, Transmission and drivetrain. GENUINE 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 Formula, a dual weight SAE 15W50 / SAE 50 Motorcycle Oil. The new formula transitions into inventory as the old SYN3 20W50 product inventory is depleted. Availability varies by SKU and region. The original SYN3 20W50 will be obsoleted when…
• 11010212Nov 7, 2024Electrical system, Other or unknown. SERVICE BULLETIN M1555 (REV F): BATTERY WARRANTY GUIDELINES. PURPOSE: [Revision F. Added: Added video link for the DCA-8000 Battery Tester. Added: Supplemental Procedure Video.] This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
• 11010218Oct 26, 2024Other or unknown, Electrical system. SERVICE BULLETIN M1663: REVOLUTION MAX INSTRUMENT MODULE SOFTWARE UPDATE. PURPOSE: This bulletin informs the dealers that there is a new Instrument Module (IM) software (LM7_51456370_20240322) and (LM4_51456370_20240325). Refer to: Infotainment Support Resources page on Service Information Portal (SIP).
• 11010220Oct 16, 2024Other or unknown. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1157 (REV A): 2024 PAN AMERICA TOP CASE MOUNTING FITMENT. PURPOSE: [Revision A. Updated: Purpose for Parts and Accessories Bulletin, Summary and Thread Inspection.] Address part availability and compatibility. To inform dealers that the Top Case Mounting Kit (Part No. 53000800A) is now available and fits all 2021-2024 Pan America NON-CVO models (RA1250…
• 11010221Oct 11, 2024Wheels, Other or unknown. WARRANTY BULLETIN W146 (REV B): TIRE TREAD DEPTH GUIDE-UPDATE. PURPOSE: [Revision B. Updated: Tire Tread Depth Guide. Add tire part numbers 43200063 and 43200038A.] To provide tire tread depth specifications for the dealership network to consult when filling warranty claims on used tires. Please see the Warranty Manual of your region for tire policy guidelines. Updated: Tire Tread Guide. Add tire part number…
• 11010215Oct 9, 2024Electrical system, Other or unknown. SERVICE BULLETIN M1555 (REV F): BATTERY WARRANTY GUIDELINES. PURPOSE: [Revision F. Added: Added video link for the DCA-8000 Battery Tester. Added: Supplemental Procedure Video.] This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
• 11008740Sep 25, 2024Engine, Fuel system, Other or unknown. SERVICE BULLETIN M1659: PAN AMERICA FUEL TANK UPDATE. PURPOSE: This bulletin informs dealers that the 2024 Pan America vehicles have been updated to have the inside of the fuel tank e-coated. To accommodate this process, a threaded plug (Part No. 10500167) was added to the left rear of the fuel tank. When ordering replacement fuel tanks for 2021-2023 vehicles, they will come with the e-coat process. Dealers will…
• 11008736Sep 12, 2024Electrical system, Other or unknown. SERVICE BULLETIN M1555 (REV E): BATTERY WARRANTY GUIDELINES. PURPOSE: Revision E. Added: Added procedures for the DCA-8000 E Battery Tester.* Updated: All sections. This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
• 11008738Sep 6, 2024Engine, Transmission and drivetrain, Vehicle speed control, Other or unknown. SERVICE BULLETIN M1655: REVOLUTION MAX CLUTCH CABLE FREE PLAY SPECIFICATION. PURPOSE: This bulletin informs dealers that the clutch cable free play specification has been updated on all Revolution® Max vehicles. Original specification: Dimension: 0.039–0.079 in (1–2 mm). Free play has now been changed to: Dimension: 0.079–0.118 in (2–3 mm). All online electronic service manuals and future publications will reflect…
• 11007544Aug 8, 2024Other or unknown, Electrical system. SERVICE BULLETIN M1490 (V 24.8.8): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: 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 24.8.8. Release Date: Week of August 5, 2024. New Features for Harley-Davidson vehicles: Advanced Module Replace for 2021 and later Revolution Max; 2023 and…
• 11007550Aug 7, 2024Engine, Transmission and drivetrain, Electrical system, Other or unknown. SERVICE BULLETIN M1654: DTII MODULE REPLACE MENU CHANGE. PURPOSE: This bulletin informs dealer technicians that there is a new menu item in Digital Technician II (DT II). DT II now has a stand alone Module Replace menu inside of Vehicle Setup. This will allow you to program the factory settings, for the connected vehicle, to the Electronic Control Module (ECM), Body Control Module (BCM) and Infotainment Control…
• 11003852Jun 14, 2024Other or unknown, Engine, Fuel system. SERVICE BULLETIN M1648: PAN AMERICA FUEL CAP CHANGES AND SERVICE KITS. PURPOSE: This bulletin informs dealers that these parts are now obsolete: Fuel Cap (Part No. 61000533), Locking Fuel Cap (Part No.61000616), Flange Plate (Part No. 61200068). Obsolete fuel caps and flange plates are not compatible with new ones. When replacing an obsolete fuel cap with new, the flange plate must also be replaced and vice versa.
• 11001293May 1, 2024Electrical system, Other or unknown. SERVICE BULLETIN M1490 (V 24.6.4): 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). Version 24.6.4. Release Date: Week of May 1, 2024. New Features for LiveWire S2DM and S2MH, 2024 Revolution® Max, and 2024 Touring.
• 10251384Feb 20, 2024Engine cooling, Transmission and drivetrain. SERVICE BULLETIN M1631: REVOLUTION MAX OIL CHECK PROCEDURE UPDATE. PURPOSE: To inform dealers of a new procedure for checking oil levels on Revolution® Max powered vehicles. The procedure has been updated to account for potential concerns of a low oil fill condition when set on the side stand. This condition could be caused by having varying degree lean angles of the vehicles in the Revolution® Max family while…
• 10249804Jan 24, 2024Engine cooling, Other or unknown, Transmission and drivetrain, Electrical system. SERVICE BULLETIN M1608: REVOLUTION MAX VVT SERVICE KIT. PURPOSE: This bulletin informs dealers that an improved Variable Valve Timing (VVT) harness connector and terminals are going to be used on 2024 Revolution® Max powered vehicles. The old connector and terminals used on 2021-2023 Revolution® Max powered vehicles will no longer be supported. Various kits have been created to support dealers in the change over…
• 10249805Jan 18, 2024Other or unknown, Electrical system, Engine cooling, Transmission and drivetrain. SERVICE BULLETIN M1615: 2024 REVOLUTION MAX CHARGING SYSTEM CHANGES. PURPOSE: This bulletin informs dealers of updates made to the charging system on 2024 Revolution® Max powered vehicles. For 2024, the charging system has been updated to improve electrical output at idle and low Revolutions Per Minute (rpm). Maximum output has remained the same.
• 10248399Dec 18, 2023Electrical system. SERVICE BULLETIN M1619: DIAGNOSTIC TROUBLE CODE (DTC) U04438F AND U04318F. Purpose: This bulletin informs dealers that the current software version for the Left Hand Control Module (LHCM) and Right Hand Control Module (RHCM) have Diagnostic Trouble Codes (DTCs) U04438F (reported by the LHCM) and U04318F (reported by the RHCM), that are being set-off intermittently, shortly after a starting event and then seen as…
• 10248396Dec 14, 2023Electrical system, Vehicle speed control. SERVICE BULLETIN M1590: REVOLUTION MAX CRUISE CONTROL SWITCH REPLACEMENT. Purpose: Revision. This bulletin informs dealers that Harley-Davidson has a new part available to allow replacement of the Cruise Control Switch on Revolution® Max powered vehicles. Replacing the entire Left Hand Control Module (LHCM) is no longer required due to a broken cruise control switch. Revision: Updated Required Dealer Action, Add…
• 10244933Oct 9, 2023Electrical system, Engine cooling, Fuel system, Vehicle speed control…. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1143: SCREAMIN EAGLE CARB APPROVALS. PURPOSE: To inform California dealers about the new California Air Resources Board (CARB) approvals. Screamin' Eagle Quickshifter and Screamin' Eagle Extreme Flow 55mm Intake Manifold.
• 10242095Aug 2, 2023Electrical system, Transmission and drivetrain, Engine cooling, Suspension. SERVICE BULLETIN M1573 (REV C): REVOLUTION MAX TROUBLESHOOTING TIPS. PURPOSE: Revision. Informs dealers about Revolution® Max powered vehicles. Updated purpose of the bulletin to call out 1 repair per Vehicle Identification Number (VIN). This bulletin informs dealers that Harley-Davidson has specific areas of interest while troubleshooting on Revolution® Max platform vehicle built before July 1, 2023 for issues…
• 10238845Jun 26, 2023Equipment, Vehicle speed control. SERVICE BULLETIN M1590: REVOLUTION MAX CRUISE CONTROL SWITCH REPLACEMENT. Purpose: This bulletin informs dealers that Harley-Davidson has a new part available to allow replacement of the Cruise Control Switch on Revolution® Max powered vehicles. Replacing the entire Left Hand Control Module (LHCM) is no longer required due to a broken cruise control switch.
• 10233721Mar 3, 2023Electrical system. SERVICE BULLETIN M1573: REVOLUTION MAX TROUBLESHOOTING TIPS. PURPOSE: Revision. Added Pan America information, Required Dealer Action, and Credit Procedure. This bulletin informs dealers that Harley-Davidson has specific areas of interest while troubleshooting on the Revolution® Max platform. These areas of interest should be used in conjunction with the Service Manual and Electric Diagnostic Manual while…
• 10232453Feb 16, 2023Transmission and drivetrain, Engine cooling. SERVICE BULLETIN M1583: 2023 PAN AM RADIATOR IMPROVEMENTS. PURPOSE: The purpose of this bulletin is to notify about the revised component on the 2023 Pan Am radiator. The old part number has been superseded to a new part number. For Pan America models built on January 31, 2023 and later, a clamp was added to the lower radiator assembly to support the hose.
• 10232450Feb 14, 2023Equipment, Electrical system. SERVICE BULLETIN M1579 (REV B): REVOLUTION MAX BCM AND ECM UPDATE. PURPOSE: REVISION. This bulletin informs dealers that a BCM and Electronic Control Module (ECM) update is available on Digital Technician II (DT II). Revision: Updated Body Control Module (BCM) part numbers. Updated Part Numbers Affected.
• 10232448Feb 14, 2023Equipment, Electrical system. SERVICE BULLETIN M1578: REVOLUTION MAX FOB TROUBLESHOOTING. PURPOSE: To provide dealers with a list of items to check for when troubleshooting an inoperative security FOB for Revolution® Max applications.

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