American Motorcyclist Association (AMA) PICKERINGTON, Ohio May 27, 2011 The American Motorcyclist Association (AMA) is pleased to welcome the support of Moose Racing and Parts Unlimited to the U.S. effort at the 2011 International Six Days Enduro (ISDE). A U.S. squad of 28 riders will take on the best off-road racers in the world Aug. 8-13 in Kotka-Hamina, Finland.