1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 174Get this manual
16Coat pistons, rings, cylinders and OMC Ring Compressor PI 326591 (PI 330223 for oversize) with outboard lubricant1561 17Center connecting rod in piston and locate piston rings on their dowel pinsSlide one piston assembly into the respective cylinder bore while guiding the connecting rod through the block INote pinS piston ringspermanent correctly located on their dowel must be to prevent powerhead damageINote outinstall cylinder head to prevent pistons from falling Loosely
571 18Remove the connecting rod caps from the connecting rods19Place one-half of crankpin bearing on each rod20Place the crankshaft in position Align top and center main bearings with pins in the cylinder block21 Install the remaining bearing half on each crankpin22Oil threads of rod cap screws and install both rod caps finger tight1543