Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
HD-PA-1022
Service Bulletin/Repair Instructions
HARLEY DAVIDSON: A RETROFIT ASSEMBLY AND KIT HAS BEEN DEVELOPED, BY ENGINEERING, USING CURRENT V ROD FUEL SENDER AND FUEL MODULE, DUE TO PARTS NO LONGER PRODUCED AND RESOURCING OPTIONS ARE EXHAUSTED. MODEL 2002-2006 V ROD. *PE
HD-TT-426-A
Service Bulletin/Repair Instructions
HARLEY DAVIDSON: WHEN FUEL PUMP IS INSTALLED, A CONFUSION OF DIAGNOSING HISTORIC DTC, THERE IS A RISE IN PDI SYSTEM RELAY WARRANTY CLAIMS. *PE
1155
Service Bulletin/Repair Instructions
EMISSIONS DECAL REPLACEMENT. PRODUCT PROGRAM P11. *TT