1998 Johnson Evinrude "EC" 150, 175 FFI Service Manual, P/N 520211, Page 119Get this manual
24 INotel
Before proceeding, be sure that all threaded areas are completely clean and in good condition25Apply CIVIC Ultra Lockto external threads of nutTurn nut into cylinder head until seated, then back nut out one full turn26Apply CIVIC Ultra Lockto threads of injector in area shown
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27Hold nut and turn injector counter clockwise into nut until seated in cylinder head, then turn injector clockwise to place in installed position28When the injector is in its installed position, the fuel inlet nipple will be facing to port and the electrical connector will be facing upThe fuel inlet nipple is larger in diameter than the outlet nippleHold the injector body at its baseDO NOT use the positioning tool on the coil