While you're waiting for parts, remove all washers from needles. Set mixture screws to factory settings. Bike will run much, much better.
https://www.ninjette.org/forums/showthread.php?t=300693
https://www.ninjette.org/forums/showthread.php?t=36301
There's absolutely zero reason to change carbs from factory settings. It ran perfectly fine fresh off showroom floor. It will run like that again when carbs are restored to factory-fresh clean with stock settings.