Lubrication and Filters
I have several B&S engines, from an old 23A-B on my log splitter to a 10 HP Vanguard on my Cyclone Rake, and several on mowers, pumps, etc.B&S recommends 5W30 synthetic as the best overall oil, but when I questioned them on other - possibly superior - alternatives (like AMSOil 10W40 synthetic...