Hi and welcome to Ninjette!
Your carbs needs thorough cleaning. Complete disassembly down to last nut & bolt. Every fuel passage massaged and flossed with wire. Soaked in real cleaning fluids (caustic and radioactive) in hypersonic cleaner for years on end. Soda blasted at 100000psi...
An interim test solution is to adjust pilot screws to 2,5-2,75 turns out.