2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 201Get this manual
POWERHEAD ASSEMBLY9.915 Oil the upper main bearing surface of the crankshaftSlide the upper main bearing onto the crankshaft with lettered side facing the flywheel end of the crankshaftPlace 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 blockUpper main bearing pin
Install the center main bearingApply 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 sleeves together with the retaining ring