Kyb fork issue 2018 and 2023 Help Please

[Stoby]

My 18 would feel like the fork dropped whenever front end left the ground, I eventually redid them with the internals from a yamaha450f set that I bought for my 01 conversion(which I still havent done ) Problem went away..... Now my 23 is doing the same thing . At first on my 18 I thought my head bearings were loose thats kind of how it feels, but that wasnt it as I replaced the bearings. Then somehow I "fixed " it when I put the 450 internals in. Anyone know or have an educated guess what it might be? I can rebuild an engine semi blindfolded.... but am ignorant on suspension.

Also any New England suspension tuner recommendations ?

Thanks. Spring is just arooooouuund the corner............ God Bless