World's Biggest Single-Cylinder Motorcycle This outrageous motorcycle was built by Franz Langer, a retired German engineer who had his name written in the Guinness Book of Records for building the biggest single cylinder motor on a motorcycle.
Auction Lot Schaumburg, IL From The Peter Hendricks Collection . The XL 250 was the first production bike. Rugged and reliable they were produced in the same basic form well into the Original. Two owner bike. Believed to be low miles Serial#