1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 154Get this manual
11Remove the connecting rod caps and linersCollect and retain the 30 needle bearings12Lift the crankshaft out of the cylinder blockReplace the connecting rod caps on the rod capsOrient them exactly as they were before you removed themInstall the screws finger tight114h3Remove seal ring from crankshaft14Rotate the powerhead so that the cylinder head faces upRemove the cylinder head and gently push up on the connecting rods to remove No1 and No.2 piston assembliesDo not allow the connecting rod to contact the cylinder wall or inside of the piston skirt during handling1151 15Remove upper crankshaft seal bearing from crankshaft16Remove the lower crankshaft seal
and upper main