1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 168Get this manual
Remove the retaining ring from groove of the center main bearing Separate the bearing and remove the 23 loose needle bearings
The lower crankshaft bearing should be removed only for replacement15Remove the pistons from the cylinders 16Remove the piston rings using an appropriate ring expander
Remove the wrist pin retaining rings using OMC Wrist Pin Retaining Ring Pliers PIN 325937 Discard the retaining rings
COB1 127
18Remove the wrist pin using OMC Pressing Pin Driver PI 392511 and OMC Piston Cradle PI 326573