1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 288Get this manual
COA2472
COA2473 COA2474
1571 39Located under the trim check valve is one return spring
for the pump control pistonUsing long-nosed pliers, remove the spring Do not attempt to remove the pump control piston
1581 40Using drag link socket or similar tool, remove the
reverse lock check valve