hard starting

This sub-forum is pretty dead so hoping there is a fuel injection wizard on TC 96 motors here. 2010 FXSTC. Problem has existed since very early in this bike's life. I'd say since day one but can't honestly confirm that. The only change made early on was switching from oem to NGK iridium...

Hello all, Thanks in advance. I have a 2011 HD Fatboy. Starts fine run it for 10 to 15 minutes. Turn it off if I go back within 5 to 10 and try to restart it struggles and when it finally does turn over it makes a very loud screeching noise. Kind of feels like the darn engine is about to fall...