My E28ESLESM Evinrude has issues. It runs very rich, despite what adjustment is made with the air/fuel needle. I turn it till it seats and back out, merely to removing it and it still runs poorly.
I removed the plugs and they are soaked with fuel. When I crank the engine with plugs out, it shoots out fuel. When engine is off, fuel runs from the throat of the carb.
Observations:
-Upon the disassembly of the carb, my observation was that it was clean as 2 whistles.
-I rebuilt it, and adjusted the float.
-I watched a guy on YouTube rebuild his Evinrude carb. It looked exactly like mine, but he screwed in, what he called an “intermediate orifice” first, then screwed in the air/fuel needle. Mine doesn’t have an “intermediate orifice.” The kind gentleman at Marine Engines said that my carburetor doesn’t use an intermediate orifice.
I’ve seen a few exploded views of carbs very much like mine, with and without the “intermediate orifice.” (In the picture below, it’s referred to as an “orifice, slow speed). Do I need an intermediate orifice, which could have been omitted by the last guy who worked on my engine? Did the last guy put a different carb on which requires an intermediate orifice? Help would be appreciated.
I removed the plugs and they are soaked with fuel. When I crank the engine with plugs out, it shoots out fuel. When engine is off, fuel runs from the throat of the carb.
Observations:
-Upon the disassembly of the carb, my observation was that it was clean as 2 whistles.
-I rebuilt it, and adjusted the float.
-I watched a guy on YouTube rebuild his Evinrude carb. It looked exactly like mine, but he screwed in, what he called an “intermediate orifice” first, then screwed in the air/fuel needle. Mine doesn’t have an “intermediate orifice.” The kind gentleman at Marine Engines said that my carburetor doesn’t use an intermediate orifice.
I’ve seen a few exploded views of carbs very much like mine, with and without the “intermediate orifice.” (In the picture below, it’s referred to as an “orifice, slow speed). Do I need an intermediate orifice, which could have been omitted by the last guy who worked on my engine? Did the last guy put a different carb on which requires an intermediate orifice? Help would be appreciated.

