Made Products Inflatable Boat

Made Products Inflatable Boat
What size of gas motor can be put on a mariner inflatable made by intex?

Here is the boat I am referring to if there is any confusion.

http://cabelas.com/cabelas/en/templates/product/standard-item.jsp?_DARGS=/cabelas/en/common/catalog/item-link.jsp_A&_DAV=MainCatcat21276-cat21340_TGP&id=0030645017459a&navCount=2&podId=0030645&parentId=cat21340&masterpathid=&navAction=push&catalogCode=IH&rid=&parentType=index&indexId=cat21340&hasJS=true&_requestid=59128

Intex inflatables come in different sizes

Fender Brackets