1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 255Get this manual
If Boat Plate shows U .SCOAS GUA RD CA PAC IT INFORMAT ON MAX HP MAX PE RSONS MAX WE IGHT
use Only Or Smaller!
When Rigging or Fixing any boat if transom looks Weak, tell the ownerIf transom is Curved, motor may come Loose Mount on Flat Surface only Use 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