I had a solid buzzer go off and thought it was overheating so I made a posting on here and was told that maybe it's overheating or possibly low oil pressure so I checked the oil and found that the level has risen about 2" higher on the stick above the normal mark. It smells like gas.

Any ideas what might cause this?

Check fuel system yo see if float sticking in vapor tank or if fuel pump bad.

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Boats.net
Honda Outboard Parts

Do you know what the fuel pressure should be for the pump in the vapor tank?

check the mechanical pump fuel pump, diaphragm probably broken, you may need to replace a new mech. pump asy. the honda efi engine come with two sets of fuel pump for their efi models. pick pump, mechanical and high pressure pump, 12vdc.