It's a Briggs & Stratton 20 HP V-Twin "Extended Life Engine" with cast iron cylinder liners. Full pressure lube with filter.
-What oil/oils would you use during break-in and after?
-Frequency of filter changes.
-How many "flushes" and # of hours before going over to synthetic oil?
-What oil/oils would you use during break-in and after?
-Frequency of filter changes.
-How many "flushes" and # of hours before going over to synthetic oil?