1997 Johnson/Evinrude EU 25, 35 HP 3-Cylinder outboards Service Manual, Page 140Get this manual
[] 12Lightly oil new a-ring with outboard lubricantInstall the a-ring onto the upper bearing and seal assembly
13Install the upper bearing and seal assembly onto the crankshaft14It is very important that the original connecting rods be installed in the powerhead in the same orientation as when they were removedThis will promote longer life for the rod, bearings, and pistonsInstall new connecting rods as follows Alignment marks flywheel
or OMC part
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