Yamaha 25BMH 30HMH Factory Service Manual, Page 290Get this manual
PROPELLER SHAFT HOUSING
2Remove: Ball bearing
Stopper guide plate 90890-06501 Stopper guide stand2 90890-06538 Bearing puller ass'y 90890-06535 NOTE: Do not reuse the bearingAlways replace it with new one
3Remove: Oil seal Needle bearing Driver rod L3 90890-06652 Needle bearing attachment 90890-06615