1971 Johnson 60HP outboards Service Manual, Page 49Get this manual

1971 Johnson 60HP outboards Service Manual, Page 49

5-7 Tap crankshaft with rawhide mallet to break seal between crankcase and cylinderLift crankcase from cylinder blockdUse 516 inch, 12 point socket to remove connecting rod screwsRemove rod caps and roller bearingsSee Figure -17NOTE: 16 rollers are used at each rod bearing
Pistons, connecting rods, bearing retainers, bearings, and caps are matched parts and seat with the operation of the motorBecause of this it is essential to maintain their original positions at reassemblyMark each connecting rod and cap, piston, and bearing component to assure correct mating when they are reassembledAlso mark the cylinders from which they are removedeLift crankshaft from cylinder blockReinstall matched caps on connecting rods and remove pistons and rods from cylindersfLift retaining rings out of grooves and slide aside to remove the two crankshaft center main roller bearings for cleaning and inspectionThe top main bearing and seal assembly with "0" ring slides offIf necessary to remove the bottom main bearing, remove retaining ring using Truarc pliers (Special Tool #307429, see Figure 5-19) and use puller to remove bearingiRemove the rings from the pistons by prying the ends loose enough to grip them with pliers and then breaking them away from the pistonDO NOT try to save the ringsInstall complete set of new rings on every power head service job