1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 95Get this manual
Installation
1Position the leaf plate with new gasket on crankcaseApply O'VIC Gel-Seal lito the threads of the flat head Phillips head screw and install looselyAlign the leaf plate and gasket with crankcase and tighten screw securely
INotel Install all intake manifold gaskets dry; use no sealer
2Install the intake manifold using new gasket between manifold and leaf plateInstall throttle rod in pivot pin on throttle lever