1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 65Get this manual
7Insta II va Ive seat8Place float valve
into valve seat, and install float hinge and main jet with spring on
9Install needle jet
10Install slow speed adjustment screw carburetor body11Install new float chamber gasket
12Check for correct positioning of float hingeFloat level controls the height of fuel in the float chamber and is critical to carburetor calibration and functionTop of float hinge should be 0.090 in(2,3 mm), measured from the top of the gasket13Install float14Install float chamber on carburetor body
15Using new gasket, install drain screw on float chamber