1994 Johnson/Evinrude "ER" 60 thru 70 outboards Service Manual, Page 151Get this manual
17 COB1311
17Carefully lift straight up and remove the crankshaftf'16l 18Slide the upper main bearing assembly off the crankshaftDiscard the O-ringRemove the upper crankshaft seal as necessaryf17l 19Carefully remove the retaining rings and remove the center main bearings and split sleevesIdentify the components and keep them separate18
20Remove and discard driveshaft O-ringf191 21If the lower main bearing is to be replaced, remove its retaining ring with OMC Retaining Ring Pliers, PIN 303858Use bearing separator to press the bearing offDiscard the bearing