OS claims 2.8 horsepower. Multiplying that by a 60% marketing B.S. factor gives you 1.68 horsepower or 1253 watts of power. The plane's weight divided into the power gives you a power loading of 96 watts per pound. It will fly like a trainer.
Your biggest problem will be balancing the plane with that small engine up front. I'm sure that that plane was designed to need the weight of a gasser up front to come to the proper CG location.