This is the hardware from my R90S.
The U shaped  washers are what I was talking about.   These can slide over the turn signal stalks after the fairing is put on.  It was real easy to install with these U Shaped pieces.   the Solid ones make it tough to put the fairing on.
Shown are the U washers the 2 rubber gromets and 2 chrome or stainless washers.
Order of assembly
Ecentric rubber gromet first
U chaped washer inside  and fits on Rubber ecentric
Chrome Washer/spacer
Black signal housing holds everything tight and keeps the Ushaped washer in place
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