Did you try cycling the ignition on/off 5 times?
When there is a idle problem cycling the ignition on then wait for engine light to go off then turn ignition off do this 5 times and should reset the idle setting in the ECM.
This may help, it works when the bike has high idle problems.
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08 FLTR candy red sunglo,with 2015 103 HO, V&H Dresser Duals with Monster Rounds, Power Vision tuner, Willy Shiny Wheels and Forks and a bunch of other stuff.