Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 125Get this manual
Lower Unit 12) Assembly of Propeller Shaft Housing
1Apply gear oil to outside of new oil seal 1, and attach it to propeller shaft housing by using commercially available mandrel 2
Do not reuseInstall new bearing to propeller shaft housing 3Do not reuse removed bearingGEAR
Bearing AttachmentPN.3BR-99905-0 Driver RodPN.3AB-99702-0Do not reuse
Apply OBM grease to lip of oil seal 1
13) Removing Pump Case (Lower)