Tiger 955i Limp Mode And Engine Cut Out

Did you remove the tank?
Do the engine and fuel lights stay on afterwards, and for how long?
Sounds like the fuel supply is not keeping up with the bikes demand.
Have you nipped a pipe, or replaced on the fuel rail the wrong way around?

 

Could you have pinched a stator cable and its shorting/disconnecting briefly or a connection is slightly loose

 

How often is this happening? I.e does it happen repeatedly and how long is it between cut-outs?

Couple of stupid questions:
Have you checked you're battery? Could be it's blown a cell, which would result in very weird behaviour.

The other thing, is what model was the Stator and regulator for (I've been hit by incompatible components in the past because of a mid-life design change).

Might be worth doing a resistance test on the reg and stator, just in case one of them is a dud. I had to replace the stator & reg on my Sprint 1050, but the brand new regulator blew within 3 weeks.

Finally, might be worth checking the fuses and replacing the main fuse. When my Sprint was having stator/reg issues, it managed to blow the main 30A fuse.

 

The connectors? Sounds like a connection dropping in and out.