Looks like the same filter in the XChallenge as well. Used the Bel-Ray grease around the seal area, worked great.
You would have to like the Torxhead bolts owning the Berg as well. I just made up a lot smaller 2nd tool kit to carry with the Berg.
"I reckon it would be good getting a heap of XR's in the one spot and watching a heap of blokes kicking fuck out of there bikes and swearing."