1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 63Get this manual
815 Models Only: Install the check ballgasketand check valve cap in the carburetor bodyInstall cap with orifice hole 1800 away from the idle fuel pickup tube Note
9Install the idle adjustment screw and spring
into the carburetor bodyThread screw until it lightly contacts idle adjustment lever
10Place the lower gasket into the float chamberInstall the float chamber and bowl gasketTighten the screws to torque of 8-10 inIbs(0,8-1,2 Nm), following sequence embossed on float chamber11Install the carburetor body cover and gasketTighten the screws to torque of 8-10 inIbs(0,8-1,2 Nm), following sequence embossed on cover12Install the idle mixture needle and springTurn needle carefully until it lightly contacts the seat; then back it off turnsSee Carburetor Mixture Adjustment, Page 2-16Installation