2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 173Get this manual
FUEL SYSTEM FUEL COMPONENT SERVICING The following items and their mating surfaces must be cleaned prior to reassembly: Injector Cylinder head Adapter Screws Threaded areas
CAUTION
All injector components must be clean to ensure correct torque tightening specificationsTo prevent fuel leakage, carefully follow these installation instructionsPosition injector and insulator in the proper cylinder location
Tighten Screws in Stages
IMPORTANT: Be careful not to pinch any wiring