1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 178Get this manual
28Apply light coat of outboard lubricant to the corners of the connecting rod and rod capPlace frame on connecting rod using the following procedure:
Position frame onto the connecting rod so the contact area of the jaw is centered in the side of the rod
Tighten forcing screw until jaws contact connecting rod
Slide frame down until adjustment stop contacts the connecting rodThe groove lines on the jaws must be centered on the rodcrankpin diameter
INote The above procedure must be followed to assure frame is