see thats what i think i missed, bleeding before the day!!
Only had the new rotors (project mu scr pro fronts, dba 4000 rears) braided lines and rbf600 installed last october but engine went 3weeks after so probably only 3000km on this setup
maybe moisture was absorbed as it sat waiting for the new engine who knows hahaha
Atleast i know how to be more prepared for the next track day