Surdyke Motorsports Chesterfield Valley is the newest motorsport dealer in the metro Saint Louis area serving up the best products if your looking for an ATV, UTV, Side by Side, 4-Wheeler, waverunner, Dirt bike or motorcycle. We've been in business over 25 years and offer great brands including Yamaha, Polaris, Honda, Sea-Doo and more. Don't look anywhere else if you are in the market for a new vehicle.