1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 242Get this manual
GEAR HOUSING
Aluminum Anode and Water Inlet
1Replace aluminum anode if more than 50 consumed2Remove water inlet and check that holes are not obstructed
aAluminum anodeWater inlet
Reassembly
Drive Shaft Needle Bearing, Bushing and Lubrication Sleeve Installation
1Install lower drive shaft needle bearing (numbersletters face down) using Drive Shaft Bushing Tool53030