1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, 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 rod
3Pull shift rod out of reverse gate cam
4Remove six screws retaining the intake housing to the jet housingRemove the intake housing
rn 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 driveshaft[[] 7Remove the impeller from the driveshaftRetain the impeller key and impeller sleeve []] 8As soon as the impeller is free of the driveshaft, check to see if any shims were above impellerIf so, note their number and placement for reassembly, then remove them