(iv) Motors in excess of 10 horsepower are not authorized on the Moose, Swanson, Funny, Chickaloon (upstream of river mile 7.5), Killey, and Fox Rivers.
yes you can use a motor on the Swanson. Here is the Kenai refuge rules on motor boats on certain rivers.
The 10 hp limit is what you will be dealing with.
16' SQUARE STERN
Constructed from the 17' hull designs, we shorten the hull length to add the transom, permitting the use of a motor. Excellent choice for fishing or just having fun! Can be paddled normally or powered with (up to) a 5 hp. motor.
The cargo has the stability of a Jon boat, with the maneuverability of a canoe. Great for fishing and camping on any waterway, the Cargo can be car-topped or carried on our single haul canoe trailer. Features a 44" beam, side sponsons, triple-keeled bottom and all-weld transom rated for up to 8 hp.