Tags
30+ Years Experience
Off Road Motorcycle & ATV Engine Performance
Proven With Over 30 National Championships
Arlan Lehman began tuning and servicing motorcycles in the late 1970s. After working in the service department at a local Ya...maha dealership he decided to branch out on his own. LRD (Lehman Research and Development) began in 1982 in a 96 square foot workshop in Amity, Oregon. After 26 years of building LRD, Arlan decided to spin off the service business and create LED (Lehman Engine Dynamics)...