1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 79Get this manual
[] 6Invert carburetor bodyWith float valve closed, top edge of float should be between, but not touching, the notches of QIIC Gauge, PIN 324891, as shown INote If
adjustment is necessary, do not put pressure on inlet
7With the carburetor body in its normal position, adjust tab on float hinge to obtain float drop dimension of 1fs in(22-28 mm)
[] 8Install and tighten intermediate-fuel orifices 9Apply QIIC Locquic Primer and QIIC Screw Lock to four float chamber screws10Install gasket, float chamber, and four screwsTorque screws in an "X" pattern to 24-36 inIbs(3-4 Nm)[] 11Install the idle air-bleed orifices in the carburetor[] 12Install and securely tighten high-speed fuel orifices 13Install O-rings on the float chamber drain plugsInstall and securely tighten drain plugs