"pre-fill with a couple of cap fulls", it's just enough to "coat" the media, not much more. As I said, I'm not sure it's necessary, I just do it out of habit.
This is good advise... its recommended so the bike is not starting dry of oil. It might not make tooo much of a difference but its good piece of mind. I think my trucks manual even says to do this... Like Dart says, dont fill it full to where it will drain all over when you tip it on the side, just enough so the filter media soaks it all up.
And the Purolator Pure One filters are excellent filters :thumbup: