Here's the latest from Spectro oils on the 5 speed oil that some had asked about. http://www.hdtimeline.com/oil_related_tips/1238-oil_suggestions_for_harleys.html
Wow I wouldn't of even thought about there being that much of a difference....good to know though. I'm glad the 6 speed stuff is red and not green, I might have thought it went bad if I saw green:20: