1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 266Get this manual
Jet Drive Servicing Removal and Disassembly
1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads2Remove retaining clip, washer, and spring from lower end of shift rod3Pull shift rod out of reverse gate cam
rn 4Remove sixthe intakeretaining the intake housing to the jet screws housingRemove housingrn 5Bend tab-lock washerdiscardand remove impeller nutears, Remove tab-lock washer and
6Note the number and placement of impeller shimsRefer to Impeller Clearance AdjustmentRemove impeller adjustment shims from driveshaft7Remove the impeller from the driveshaftRetain the impeller key and impeller sleeve