Go to www.shovelhead.us
and do a search, you'll get plenty of posts
and a diagram or two.
Oil or tranny fluid added to bottom of clutch basket with the bike sitting upright. The clutch basket spinning around will lubricate evrything including the clutch discs.
You may have to plug a couple of the hoses with a bolt and Gates clamp
until the next time you pull your inner primary. When the inner primary is off
you'll be able to plug the holes in the rear of the inner primary and remove the plugged hoses permanently.
This is a worthwhile project and GOOD for your engine. Keeps that clutch &
primary chain shoe debris isolated and out of your engine.