I formulated a petition to the AMA to change a section of their Pro Racing Rulebook which would allow up to 150cc 2-stroke in the 250F class and up to 300cc 2-stroke in the 450F class. It is up to 2009 signatures. I will have a follow up proposal this week with the AMA and will try to share it with everyone here.
The petition is available for you to sign. Here's the link: