if just in the bellypan John, it could poss be seeping from the clutch push rod hole, as the O rings do wear.
Just a thought to look at it & rule it out?
AK had this on one of our bikes and it took him a while to find it. When the oil cooler line went on Tango, AK found it quite swiftly......as it let go in spectacular fashion at Brands early this year
