Mueller Motorsports

Mueller Motorsports is a LaValle, Wisconsin-based motorsports business founded by Kirk Mueller, a performance-engine builder and tuner with a lifelong passion for motorcycles. Kirk began working on automatic transmissions at age 14 and later became a national-caliber racer, bringing hands-on experience to the shop’s work. Mueller Motorsports specializes in motorcycle engine tuning and dyno services, along with engine performance packages and custom fabrication.

The business also provides services for ATVs and UTVs, and works on snowmobiles, including engine tuning and suspension. Its goal is to help customers keep their equipment performing at its best, with careful, dependable work that supports worry-free use. Mueller Motorsports serves riders and competitors across the motorsports community, including hillclimb champions and professional athletes, as well as customers such as Jay’s Power Center.

Whether a customer needs tuning, performance upgrades, fabrication, or related equipment care, the shop offers a range of services tailored to motorsports machines