hey dan, i spent a summer detailing harleys after college. we used eagle one on the chrome and aluminum this stuff works great. i use it all the time now. for tuff stains rub it on real good and let it sit for a few minutes. at the end of the summer i had no finger prints.
check out their website. you can get this at any auto store.
http://www.eagleone.com/_products/0,1030605.asp
good luck!
brad