1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 94Get this manual
Assembly INotel 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 carburetor
Ern 1Install new core plug with the convex side upSeat the
UID 2Install new high-speed nozzle gasket UID 3Install the float and inlet valve assembly UID 4Install the intermediate air-bleed orifice
plug using flat end punch and plastic malletApply Gasoia sealer to the rim of the core plug after it is seated