2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 171Get this manual
FUEL SYSTEM FUEL COMPONENT SERVICING IMPORTANT: Fuel injector(s) must be installed in the correct cylinder location(s)Use the Evinrude Diagnostics Software program to confirm that the EMM programming matches injector positioning by cylinder locationThe injector information screen of the diagnostic program displays injector serial numbersRemove the injectorfuel fitting retainer and disengage fuel manifold fittings
1Retainers
Remove injector screws
Injector Coefficients Screen