Hi all, I have a 2005 Dyna TC engine in my 92 FXR and am having some starting issues. Bike will not start. I have spark on both plugs when out of engine and grounded. I have an aftermarket ignition system from Thunder Heart and have replaced the module, coil and spark plugs. I also have a new...

New guy here in Deep South Tx. Haven’t ridden since the 80’s (never HD) but bought an ‘08 Road King yesterday so browsing for info.

My bike had vance & hines slip ons without baffles and i put on cobras 909 without baffles.I was wondering if the computer reconizes the change right away or not.Plugs look the same and no engine light.

Attached my engine specs. So I am having a real issue getting this bad boy to start. This has the IST ignition the motor has a little over 2k miles on it so basically new (Old owner wrecked bike and gave it to a friend of mine.) Originally when I put this in I was constantly breaking teeth on...