You could try some goo gone, but, read it carefully. I have never actually used it, so i dont know how it could potentially mess with the plastic (or is the Hawk wood? If it is the one I'm thinking of, it was plastic over foam, and yellow and white. That was my first boat). Best thing i can...
Check into these guys and see about a water cooling jacket: https://www.offshoreelectrics.com/products.php?cat=Motor+Water+Cooling A 540 brushed motor is the same as a 3650 brushless, so any 3650 jacket should work, but make sure of the length on your motor first. If it is a 370/380, that might...