1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 77Get this manual
Assembly56
Before proceeding, be sure that all parts are cleanBe sure that all replacement parts match original onesReplace all gaskets, O-rings, and sealing washers each time you assemble carburetor1Install accelerator rod plungerdiaphragmand spring with cover onto float chamberInstall screw to retain in place
2Press the air vent
in the carburetor body
3Install the high-speed orifice
lE1 4Install the gasket Q) and valve seat CD5Install the hinge pin
, floatand float valve
6Check 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
l1ID Turn carburetor 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