What ATVs can be ridden in the XC1 Pro and XC2 Pro Am class?
These are Production classes. They require an OEM motor and matching frame combination machine. Frame geometry must remain as designed by the OEM, including all suspension pivot points. Engine modifications, frame reinforcements, and aftermarket A-arms, swing arms and suspension are permitted. Fuel tanks are limited to a 4-gallon maximum capacity. The maximum engine displacement is 450cc.