Saito FA-125a Four Stroke EngineOnly Saito could put 1. 25 cubic inches of power into a 1. 00 size case. Not only is the FA 125 lighter and more powerful than the FA 120 it replaces, its unique size allows modelers to apply its awesome power to a wide variety of airplane sizes. It will work with anything from . 90 size sport aerobats all the way up to 1. 20 size sport and IMAC planes. With 10 fewer ounces and . 05 more cubic inches than the FA 120 it replaces, the FA 125A gives new