I know some people have gone from EFI to carbs on some motorcycles (KTM's early EFI offerings being the few I'm familiar with). I'd imagine it would be possible

I know some people have gone from EFI to carbs on some motorcycles (KTM's early EFI offerings being the few I'm familiar with). I'd imagine it would be possible to go the other way, although I'm unsure of the difficulty of it.