Just picked up a Scag 48" WB yesterday with a 4 stroke air cooled V-twin Kawasaki. Man o' man what a machine. Ran the same machine with a 14 kohler for a few years and decided to go with the 17. The machine runs super smooth with less vibration. I would recommend this engine over the Kohler all day long to anyone. I wish I had switched earlier. Any thoughts ?