2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 209Get this manual
Drive shaft and lower case (counter rotation model) 5Install the washers 7, wave washer 8, spacer 9, and collar to the drive shaft
NOTE: The collar and spacer should fit together firmly While pulling the drive shaft up, install the collar with an appropriate tool that fits over the drive shaft as shown6Install the O-ring and insert cartridge into the pump housing C
S69J6315
NOTE: When installing the pump housing, apply grease to the inside of the housing, and then turn the drive shaft clockwise while pushing down the pump housing Align the cover projection with the hole in the pump housing