1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 157Get this manual
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 cyli nders16Remove the piston rings using an appropriate ring expander 1141 17Using tool as drawn on Page 4-8, or OMCRetaining Ring
Pliers PI 325937, remove the wrist pin retaining ringsDiscard the rings
COBl127
i dling pistons that have been heatedTo remove the wrist
pin, the piston must be heated to 200-400 (93-204 C)The heat source must be applied evenly, not concentrated in small area on the piston18Remove the wrist pin using OMC Pressing Pin Driver PI 392511 and OMC Piston Cradle PI 326573