The whole posting process is a little screwed up but those of us that care read most everything, as for your seal, did you do the silicone o-ring too?
The workshop manual is the one and only AFAIK but coupled with you parts books and owner's manual and a computer for ADV rider, it has been enough to see many of us to a strange place(s).
'02 KTM 640 Adventure-lowered
"On the road there are no special cases."
Cormack McCarthy-The Crossing
The faster it goes the faster it breaks.
And high performance=high maintenance.