Dies At Higher Rpm

Vacuum in the tank is also possible.
Try riding with the tank cap loose/off (appreciate its difficult etc) but that would cause the same issues too.
TPS issue also?

 

Could be any of several things, fuel starvation, fuel pump...lack of fuel pressure, coil or HT breakdown, TPS as mentioned, even bad earths.

 

When did it start? Had you changed anything before hand, even just filled it up with petrol? Also, try emptying the tank and try fresh fuel.

 

Modern fuels go off very quickly if left for a few months remove float chamber on carbs blow through the jets and check float is not sticking once that’s done if not fixed get carbs set up and if a CV carb check diaphragm for perforations

 

I think the 2014 Bonneville T100 is fuel injected.

 

so true sir we old folk forget this modern jiggery pokery stuff ruins all the fun of breaking down that and points out of adjustment it does have Injection. Multipoint sequential electronic fuel injection non the less, please ignore the ramblings of an old man

 

Kink in the fuel lines causing starvation, check the plugs for lean running, have you possibly dislodged a coil wire or blocked part of the air intake?..you've made a few changes and possibly during this you've accidentally created this issue..

 

Yes unless you carry a laptop and diagnostic software your pretty much buggered! I don't stop for any cars broken down any more because of this but still stop for bikes just in case but nothing much to fiddle with these days.

 

If it starts OK from cold and gives misfires when hot, could be worth checking crank position sensor.

 

dont miss any of that like I like the ease of fuel injection and no points to file

 

You could get some Red Line 60102 Complete Fuel System Cleaner 4oz put whole bottle in when you fill tank to full 10 or 20 miles later any crap in injectors sorted, I suppose any quality injection cleaner will do just check it’s suitable for motorcycles, I’ve sold my last bottle to a friend his bike is injected he was impressed

 

Try new coils.