From the AMA
The American Motorcyclist Association (AMA) released an eight-page bulletin with rulebook updates ahead of the 2027 Monster Energy AMA Supercross Championship.
To see the Bulletin with updates: https://americanmotorcyclist.com/wp-content/uploads/2026/11/CB2027.01.SX-2027-AMA-Supercross-Rule-Updates.pdf
To see the entire 2027 rulebook: https://americanmotorcyclist.com/wp-content/uploads/2026/11/2027-AMA-Supercross-Rulebook.pdf




