1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 209Get this manual
Jet Drive Servicing Removal and Disassembly 1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads
2Remove nutflat washerand shift cable end reverse gate cam
3Remove cable by rotating shift cable to vertical position and removing the adjusting nut and cable from the shift cable anchor
rn 4Remove sixthe intakeretaining the intake housing to the jet screws housingRemove housingrn 5Bend tab-lock washer ears and remove impeller nut Remove tab-lock washer and discardrn 6NoteClearance AdjustmentRemoveimpeller shimsRefer the number and placement of to Impeller impeller adjustment