EVERYTHING ABOUT 2019 EVINRUDE 15 HP E15HPSL

I went to the proficient(?) folks at my local West Marine and they'd absolutely nothing and no clue on what to work with. What am i able to use being a sealant in which it is termed for.When you have the impeller set up to the driveshaft, push down about the impeller housing though turning the shaft clockwise and almost everything will line up prop