Here is the procedure in an older owner's manual. To be honest, I have not checked the contact area between my prop hub and the shaft (didn't know about this until after I had been running the current prop for a few years). But I know others who do. May tackle it as a small winter project.
Previous: 1993 Prostar 205
Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.
Be kind. Have fun.