R Robenstein Joined Dec 23, 2009 Messages 5,653 Location Central IA Apr 23, 2014 #21 not a bike oil, but Mystik sells a semi syn 30 weight HDEO.
S smokey422 Joined Nov 3, 2013 Messages 19 Location Marshall, MO USA Apr 27, 2014 #22 No 30 or 40 grades but Amsoil makes an SAE60 that they recommend for hot weather operation in Harley Shovelheads and iron jug Sportsters.
No 30 or 40 grades but Amsoil makes an SAE60 that they recommend for hot weather operation in Harley Shovelheads and iron jug Sportsters.