1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 92Get this manual
r::-=J Before proceeding, be sure that all parts are perfectly cleanBe sure that all replacement parts match original ones in size and shapeReplace all gaskets, O-rings, and sealing washers each time you assemble carburetor1Install the high-speed orifice into the nozzle wellPosition the nozzle well and upper gasket on the carburetor body 71 2Connect the nozzle well to the carburetor with new idle lift
tube3Install the valve seat and gasket 4Install the hinge pinfloatand float valve
5Check for correct positioning of the float levelThe float level controls the height of fuel in the float chamber and is critical with regard to carburetor calibration and function Turn carburetor body upside down and hold so gasket surface is horizontalThe weight of the float will close the float valve needleRest OMC Float Gauge, PIN 324891, on gasket surface and slide gauge up, next to floatTop of float should be between notches on gauge
Ial Use notch that is indicated "9.915 HP Be certain gauge is
not holding down the float If float level is not between the notches of gauge, lightly bend metal float arm to adjust levelBe careful not to force float needle valve into seat6Check for correct float drop dimensionThis dimension affects the full opening of the inlet needle and is critical to correct operation of the carburetorWith carburetor body in normal running position, the float must drop open to dimension shownTo adjust, bend tab on float arm where tab contacts float seat!