1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 160Get this manual
23Apply 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 rodTighten 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
The above procedure must be followed to assure frame is squarely in position24Tighten the forcing screw to torque of 23 in Ibs(2,5 Nm)
25Loosen both rod cap screws 14 turn
26Apply preliminary torque of 40-60 inIbs(5-7 Nm) to both rod cap screws27Apply final torque of 30-32 ftIbs(40-43 Nm) in two alternate increments to both rod cap screws
28Loosen forcing screw and remove the frameRepeat Steps 22 thru 27 for remaining connecting rods