1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 166Get this manual
rn 8Remove and discard O-rings from pumpMark gerotor assemblyrn [!Q] 9Inspect oil pump components for contamination, excess wear, or damage[!!J
10Remove two screws retaining the exhaust tubeRemove tube and gasketDiscard gasket11 Remove eight nuts and lock washers retaining sump to powerheadRemove sump and gasket, discard gasket12Inspect oil sump for damage