Vehicle report
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.
PA-1030
HARLEY DAVIDSON: INFORMATION PROVIDED REGARDING THE DISCONTINUATION OF ACCESSORY TRI GLIDE 14 SPOKE MIRROR CHROME WHEEL IMMEDIATELY, FOR CERTAIN MOTORCYCLES, DUE TO CHAIN DISRUPTION SUPPLY. MODEL 2009-15 FLHXXX, FLHTCUTG. *PE
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.