1998 Johnson Evinrude EC 50 thru 70 HP 3-Cylinder Service Manual, Page 78Get this manual
[] 7Carefully snap oil piston and link onto stem of fuel piston screwPlace drop of oil on oil piston seal[8Position a-ring seal around fuel inlet housing flangePosition fuel inlet housing over oil pump piston, and insert piston into oil pump bore
9Push fuel inlet housing (with a-ring) down against intermediate housingRotate back and forth slightly to seat a-ring seal in groove and align screw holes in flanges
10Insert and tighten Torx screwsSee Replaceable VRO FittingsGeneral Procedures, this section for thread forming screw installation precautions