Many of you dont know what a YZ 490 is............(it goes back to the Ricky Johnson and Broc Glover days)........who is that you ask?......do a search on google..........anyways I use a clutch out of a YZ 490 Motocross bike 3 stiff springs and 3 stock springs..........I have always been a fan of Honda HP1 fluids, and that is what fills my tranny :thumbsup: