1127 into 86 frame gsxr

Hi all, I need some advice/ expertise.
I have fitted a 1100w engine into my 1986 frame, all is well except it won’t go. The engine was running in other bike.it all seems well, fuel and spark good. I am trying to get the right firing order. Microfiche for 92 says 1243 but then has a photo of coil lead placement that shows 1423.
Sitting on bike looking at Coils with h/t leads facing back of bike wires left coil orange/black, white. Right coil orange/black, black/white. All of the wiring and cdi is 1986. Backfiring (loud). Any advice photos would be greatly appreciated.

Aha, this old chestnut again. I tried searching for the old topics as I know this came up a few times over the years, but now I can't find it.

I just checked an '86 wiring diagram and it shows the firing as 1432, have you tried that?

Oh, and welcome aboard mate.