1992 Johnson Evinrude "EN" 60 thru 70 Service Manual, P/N 508144, Page 356Get this manual
50 If Boat Plate shows
U .SCOAST GUARD CAPAC ITY INFORMATI.ON MAXHP MAX PER SONS MAX WEIGHT
use Only Or Smaller!
When Rigging or Fixing any boat if transom looks Weak, tell the ownerIf transom is Curvedmotor may come Loose Mount on Flat Surface onlyUse Shims to make surface flat
Use Bolts, Nuts, and Washers sent with Motor They' re usually Special won't Rust or Weaken
I owner tells you "1 hit something really hard