1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 174Get this manual
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14 Using OIVIC Cone, PI 318600, and Driver, PI 318599, install new wrist pin retaining rings in each wrist pin ho leGap of retaining ring faces up, away from notch in piston15 Repeat Steps 11 thru 14