1990 Johnson Evinrude "ES" Cross V 88 thru 115, 150 thru 175, P/N 507874, Page 77Get this manual
6Remove the float hinge pinRemove the float and inlet needle7Remove the float valve seat and gasket E.I Driver PIN 317002 and record their size for identification E.I Discard the gasket
Remove the intermediate fuel orifices
using OMC Orifice