1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 140Get this manual
8Remove the six main bearing screws1nl 9Using soft face mallet, tap upward on the crankshaft to separate the crankcase and cylinder blockLift straight up and remove the crankcaser.JOl 10Using an indelible marker, identify each connecting rod cap by cylinderCylinder number one is closest to the flywheelIdentify all internal components so that if reused they can be installed in their original positionsf111 11Using OMC Torque Socket PIN 331638, loosen in stages and remove the connecting rod screwsRemove caps and set the bearings aside ] 12Lift the crankshaft from the cylinder blockf13l 13th.e rod caps on their original rodsInstall the screws fmger tight