1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 146Get this manual
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13Install the center main bearingApply OMC Needle Bearing Assembly Grease to the 23 needle bearingsPlace the bearings around the center main journal of the crankshaftPlace the sleeves around the bearings with retaining ring end of the sleeves facing flywheel end of the crankshaftSecure the sleeves together with the retaining ring14Remove the rod caps from connecting rods Place one retainer half and bearings on each rod
1381 15Place crankshaft in position on cylinder blockAlign center main bearing dowel pin hole with dowel pin in cylinder blockRoll the upper main bearing pin into groove of the cylinder blockPosition the rods on the crankpins at this time39
16Place other retainer halves and bearings on crankpins