Amsoil 20-50 period.... Filter is up to you, remember that there are better filters out there than Amsoil, or so "they say" Do a search on google, there is a lot of data on which filter does the best job.
2008 Vision Black gone 2005 TC- Sold
1963 Triumph Bonneville,not sure on color-be awhile
1983 XS 650 Custom Midnight Gold
2007 Ural Patrol Black-Sold
2011 Cross Country White and Silver
2012 Cross Country Red and Silver--Hers
A bunch of other bikes over the years, mostly all good
Life is short, eat dessert first, simple enough.
N/E Georgia and my garage