1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 140Get this manual
1131 Remove the retaining ring from groove of the center main
bearingSeparate the bearing and remove the 23 loose needle bearings
The lower crankshaft bearing should be removed only for replacement15Remove the pistons from the cylinders16Remove the piston rings using an appropriate ring expander
1141 17Using tool as drawn on Page 4-8, or OMC Retaining
Ring Pliers PIN 325937, remove the wrist pin retaining ringsDiscard the rings
i dling pistons that have been heated
'" To avoid personal injury, use insulated gloves when han-