1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 169Get 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 head 2017With number punches, mark the top piston dome "Noand the bottom piston do;ne "No.2"
1211SRemove the inner and outer exhaustsurfacescarefully covers; separate the pieces and clean the gasket
Check the inner exhaust cover for pitting and flatnessIf pitting exists or the cover is warped, discard it and replace with new cover during reassembly