The AMA, (American Motorcyclist Association) has confirmed that is will lift the age of the required age of riders wishing to race both 250cc and 450cc motorcycles in motocross competition from 2017.
In an annoucement made this week the AMA confirmed that as of 2017, for motocross events a rider must be 14 years of age or older on the day of the event to race a motorcycle that is 250cc or above and also that riders must be 16 years or older on the day of the event to ride a 450cc or above motorcycle.
The following rule change was created through AMA Congress and approved by the AMA Board of Directors. This rule will go into effect Jan. 1, 2017.