That motor is a 25cc toro.I bought 8 of them off of ebay and sold them all already.You can run a 16x8 on it easily.It will fly the plane perfect.
I have a 96 inch ws Spook thats a 3 channel only.Flys like the old Buccanears,Miss Americas,ect...Yours should be fine.The only really interesting part is trying to land in a cross wind.Since you only have rudder,evry time you move the rudder to stay on centerline of runway you bank the plane.
Me and another guy{he was flying his Miss America],it was so windy after takeoff,he landed head on into the wind,acroos the runway.
As Captn said,adding ailerons is easy.That motor shouldnt weigh over 3lbs if i remember right.