I pulled my carbs last night and noticed my gaskets looked funny. Do these marks indicate they are leaking or something?Click to view attachment
Click to view attachment

Since I believe that I am looking at the base of an air cleaner, to me it would mean nothing other than the possibility of the air cleaner base not being flat. It is possible to be pulling some air from the stud area from the engine compartment and hence the gasket is somewhat oil fouled.