rotary wirebrush them till the threads shine and scoosh with good graphite penetrating oilBefore we get too sidetracked on overfilling the fuel tank, I'm still needing answers to this one guys(I know - it's all about me, me,me.... pretty please...)
Use a small 8mm spanner to break them loose
If you have to lever it? IT's gonna break so stop More scoosh and maybe some heat !

