Clinton County Motorsports | New and Used Kawasaki, KTM, Polaris, Star® Motorcycles, Suzuki, Victory, Clinton County Motorsports is an authorized KTM, Kawasaki, Polaris, Star Motorcycles, Suzuki, Victory and Yamaha powersport dealership in Wilmington, OH. Along with a large selection of new models of ATVs, motorcycles/scooters and utility vehicles, Clinton County Motorsports carries a wide variety of pre-owned models.