Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 518 bulletins for HARLEY-DAVIDSON
PAB1087
Sep 20, 2019
110000 ELECTRICAL SYSTEM
GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1087: ADDING RADIO - FLHT - BOOM! AUDIO PARTS LIST. PURPOSE: Provide dealers the complete parts list to install a genuine Boom! Box radio in Electra GlideA? Standard (FLHT).
M1501
Sep 16, 2019
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
SERVICE BULLETIN M1501: 2018 a?? 2020 CVO SMOKED SATIN CHROME EXHAUST SHIELD FINISH. PURPOSE. REVISION. This bulletin informs dealers that the 2019 Touring CVO Smoked Satin Chrome exhaust shield finish changed from the 2018 finish during th
M1500
Aug 30, 2019
110000 ELECTRICAL SYSTEM
SERVICE BULLETIN M1500: 2020 TOURING MODELS WITH RDRS IDLE RPM FLUCTUATIONS. REVISION. PURPOSE: Notify dealers that it has been identified that 2020 Touring vehicles equipped with RDRS (Reflex defensive rider systems) may exhibit fluctuati
M1499
Aug 23, 2019
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
SERVICE BULLETIN M1499: 2020 MODELS EQUIPPED WITH TCU - REFLASH AND ENABLE TCU. REVISION. PURPOSE: This bulletin informs dealers of the procedure to verify the version of and, if necessary, reflash the TCU (Telematic control unit) softwar
M1493
Aug 23, 2019
070000 FUEL SYSTEM, GASOLINE
SERVICE BULLETIN M1493: FUEL CAPS AND CUP CHANGE. REVISION. PURPOSE: This bulletin informs dealers that Harley-Davidson is making a fuel tank running change on side fill Touring, Police Touring, Touring CVO, Trike and all Softail? and Sport
TT466
Aug 20, 2019
060000 ENGINE AND ENGINE COOLING
TECHNICAL TIP BULLETIN TT466: UPDATED OIL PUMP FOR MILWAUKEE-EIGHT ENGINES. PURPOSE: To notify dealers that a new oil pump was put into production on some late 2019 and all 2020 Milwaukee-Eight? engines, all models. The new oil pumps are r
M1498
Aug 20, 2019
110000 ELECTRICAL SYSTEM
SERVICE BULLETIN M1498: 2020 MODELS WITH H-D CONNECT OR RDRS - INITIAL CARE PROGRAM. PURPOSE: This program is to monitor Harley-Davidson quality delivered to the customers. Harley-Davidson Technical Service is providing an Initial Care Prog
TT458
Aug 2, 2019
110000 ELECTRICAL SYSTEM
TECHNICAL TIP BULLETIN TT458: SECURITY FOB TROUBLESHOOTING. REVISION. PURPOSE: To use as a guide when troubleshooting issues with Harley-Davidson security fobs to avoid possible misdiagnosis and unnecessary replacement of properly operating
PAB1086
Jul 29, 2019
110000 ELECTRICAL SYSTEM
GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1086: BATTERY RECYCLING PROGRAM UPDATE. REVISION. PURPOSE: To notify dealers participating in the HDMC (Harley-Davidson Motor Company) Battery Recycling Program that the pick-up process for co
M1391A
Jul 11, 2019
110000 ELECTRICAL SYSTEM
SERVICE BULLETIN M1391A: MIDTRONICS GRX-3110 SOFTWARE UPDATE. PURPOSE: REVISION. The purpose of this bulletin is to inform the dealer network that a software update to the GRX-3110 is now available. HD BATTERY DIAGNOSTIC STATION (PART NUM
CT19005
Jul 1, 2019
070000 FUEL SYSTEM, GASOLINE
TECHNICAL SERVICE CALL TASK CT19005: MY2019 Softail Hold GG Fuel Tank Screws. PURPOSE: Remove 3 screws from bottom of tank and inspect for paint overspray or ecoat bubbling. If any found replace tank and return to tech services.
CT19006
Jul 1, 2019
110100 ELECTRICAL SYSTEM:HORN
TECHNICAL SERVICE CALL TASK CT19006: MY2019 Softail Hold FF Horn Connection. PURPOSE: Visually inspect connectors. If incorrectly plugged in, remove horn to access connectors and reinstall correctly
M1492
Jun 25, 2019
060000 ENGINE AND ENGINE COOLING
SERVICE BULLETIN M1492: 2017 - 2019 TOURING - MILWAUKEE EIGHT - INNER PRIMARY VENT. Purpose: Revision. Harley-Davidson has learned that a small percentage of dealers and customers are finding low transmission oil levels and high primary oil
M1494
Jun 20, 2019
190000 TIRES
SERVICE BULLETIN M1494: LATE 2019 SOFTAIL FXBB & FXLR - FRONT TIRE PRESSURE. PURPOSE: This bulletin informs dealers that Harley-Davidson has made a change to the front tire cold pressure on some Softail? models shipped on or after 06/17/20
M1476
May 15, 2019
060000 ENGINE AND ENGINE COOLING
SERVICE BULLETIN M1476: 2014 - 2016 TWIN-COOLED COOLANT PUMP REPLACEMENT. Revision: Added Dealer inventory instructions. Purpose for Service Bulletin: To inform dealers of a new coolant pump replacement kit for 2014 - 2016 Twin Cooled vehi
TT465
Apr 23, 2019
110000 ELECTRICAL SYSTEM
TECH TIP TT465: WHIM HEADSETS COMPATIBILITY AND OPERATION. Purpose for Tech Tip: To inform dealers, that there has been some customer and dealer confusion on the radio system after a WHIM (Wireless headset interface module) has been install
M1483
Apr 12, 2019
350000 EQUIPMENT
Purpose for Service Bulletin: This bulletin informs dealers that there is a new recall kit ordering system. This new system replaces faxing the Recall Kit Order Form in to Harley-Davidson. Markets Affected: US market only.
M1450
Mar 28, 2019
060000 ENGINE (PWS)
SERVICE BULLETIN M1450: MILWAUKEE-EIGHT EQUIPPED VEHICLES - LOSS OF POWER OR HIGH ENGINE BRAKING. PURPOSE: REVISION. 2017 - 2019 model motorcycles equipped with a Milwaukee-Eight? engine can experience a condition known as sumping during
M1490
Mar 19, 2019
020000 SUSPENSION
M1490: 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
PAB1085
Mar 15, 2019
060000 ENGINE AND ENGINE COOLING
GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1085: ONE-GALLON ANTI-FREEZE - NOW PROFESSIONAL USE ONLY. Purpose: To inform dealers that one-gallon coolant/anti freeze (Part No. 99822-02) will be superseded to (Part No. 99822-02A) and mark
PAB1084
Mar 6, 2019
350000 EQUIPMENT
GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1084: SOFTAIL BACKREST PAD IMPROVEMENTS. Purpose: To inform dealers of design improvements for the Compact Passenger Backrest Pads. Some of these pads can become loose resulting in the backre
M1475
Mar 4, 2019
110000 ELECTRICAL SYSTEM
SERVICE BULLETIN M1450: Purpose: This bulletin provides notice of Boom!? Box GTS software release dates. For details on software notes see the owner's manual. This bulletin helps the dealer locate needed information to update and service Bo
CT2019-002
Mar 4, 2019
350000 EQUIPMENT
TECHNICAL SERVICES CALL TASK CT2019-002: MY2019 YORK GPS ANTENNA INSPECTION. Purpose: Assembly may have mixed MY19 and MY18 GPS antennas during assembly. Part number inspection to verify installation of P/N 76000789. Follow service manual
M1487
Mar 1, 2019
350000 EQUIPMENT
SERVICE BULLETIN M1487: STAGE II SADDLEBAG SPEAKER INVENTORY REMOVAL. Purpose: This bulletin informs dealers that Harley-Davidson has identified a potential variance in speaker material tolerances that impact the functional performance of c
1HD-D8A8J-03
Feb 22, 2019
101000 POWER TRAIN:CLUTCH ASSEMBLY
SERVICE BULLETIN M1359: 2014 - 2016 TOURING - HYDRAULIC CLUTCH LINE REPLACEMENT. PURPOSE: REVISION. A leak may occur on some Touring, CVO Touring, Police Touring and Trike models equipped with hydraulic clutch. The leak may occur when the l