Yamaha 115-225 HP Outboards Service Manual, Page 112Get this manual
_ G64600-0
PRESSURE CONTROL VALVE Cleaning Using soft brush and water, remove all traces of salt, dirt or corrosionInspection Visually inspect the pressure valve components for damaged, such as cracked, breaked and corrodedReplace it, if necessaryG65000-0'
CRANK MAIN BEARING Cleaning 1) Using soft brush and solvent, thoroughly clean the bearingDry it with air, and apply outboard-motor oil
Do not blow dry the bearing, or the ball may be flawedInspection 1) Hold the bearing inner race and slowly turn the bearing outer race with your fingersIf any unsmoothness is felt, replace the bearing