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Skip it, search is your friend... there is no difference anymore since all are injected.
I'm looking at parts and accessories for my 07 Ultra Classic and some of the listings say except FLHTCUI models. Am I missing something, I'm not sure of the switch over to FI but wouldn't all FLHTCU be I as well?
Last edited by sidewalkman; Jul 12, 2019 at 02:57 PM.
Prior to EFI there were carb bikes and for a short transitional period both carb and EFI models were sold alongside each other, so the model designations came with an 'I' or not, accordingly. Looks like 1995 was first year for the FLHTCUI and 1997 was last year of the FLHTCU Evo, however since 2006, once EFI had become widely accepted, they have dropped the 'I' on the twincams.
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