2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 206Get this manual
GEARCASE ASSEMBLY3.5 Coat the O-ring and the two attaching screws with Gasket Sealing CompoundSlide the bearing housing over the propeller shaft and seat housing in gearcaseTo complete gearcase servicing, refer to: LEAK TEST PROCEDURE PROPELLER