1976 Evinrude 40HP outboards Service Manual, Page 49Get this manual
hLift retaining ring out of groove and slide aside to remove crankshaft center main needle bearings for cleaning and inspectionSee Figure 5-13iRemove 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
jIf necessary to remove connecting rods from pistons, remove wrist pin retaining rings, using Truarc No1 pliers (Special Tool #303857)See Figure 5-14Drive wrist pin through to free piston from connecting rodSee Figure 5-16
Figure 5-11Connecting Rod Caps and Screws eRemove connecting rod caps and 16 needle bearingsSee Figure 5-11
IITt?!1NOTE ?""
Pistons, connecting rods 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 removedfLift crankshaft from cylinder blockSee Figure 5-12Reinstall matched caps on connecting rods and remove pistons and rods from cylinders