1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 91Get this manual
Gear case cap 1Using the bearing puller, remove the ball bearing Bearing housing 1Use the slide hammer bearing puller to remove the oil seal2Use handle to drive out the bushingUsing the bearing puller, remove the oil seals (2 pesUsing the driver rod and attachment, remove the needle bearing,516