1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, Page 168Get this manual
f1916Remove all the screws from the cylinder head water cover, tap it around the edge with soft mallet to break the seal, and then remove itRemove the thermostatsealand spring Then, remove the cylinder head12017With number punches, mark the top piston dome "No.1" and the bottom piston do;;ne "No2"f21l 8Remove the inner and outer exhaust covers; carefully separate the pieces and clean the gasket surfacesCheck the inner exhaust cover for pitting and flatnessIf pitting exists or the cover is warped, discard it and replace with new cover during reassembly1221 9Remove the intake bypass cover and clean the gasket surfaces1231 10Remove the seven hex head screws and one flat head screw, and remove the intake manifold1241 11Remove one Phillips head screw and remove the leaf plate E u