Mid 1970's to Early 1980's OMC Carburetor Sizes For 115 And 140 HP Outboards

[Gordon02]

Guys, I'm going to replace my bottom carburetor (cylinders 3 & 4) on my 1978 115 Evinrude due to an emulsion tube that is miss-aligned. The main fuel nozzle on one cylinder is not in-line with the airflow and I'm concerned about that leading to a lean condition. I cannot find a replacement and these don't seem to be user replaceable.

Can someone tell me if the 115 and 140 OMC crossflow outboards use the same carburetors with different jets or if in fact, the venturi/throat or other differences exist between the two of the same years? My 1978 has choke plates - pre-enrichener type.

Thanks in advance !

Gordon