2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 170Get this manual
Lower unit
Assembling the drive shaft housing
1Install the bushing into the drive shaft housing using press
Driver handle (large) 3: YB-06071 Bearing housing bearingoil seal remover 4: YB-06112 Installation depth c: 7.08.0 mm (0.280.31 in)
Installing the shift rod, drive shaft housing, and drive shaft
1Install the forward gear assembly into the lower case2Install the drive shaft sleeve into the lower caseS6AG6700
NOTE: Align groove in the bushing with the hole in the drive shaft housingDriver handle (large) 1: YB-06071 Bearing housing bearingoil seal remover 2: YB-06112 2Apply grease to new oil seals, and then install them into the drive shaft housing to the specified depth