2025 RULEBOOK
ALL 600 CLASSES FOLLOW THE U6SA RULES
PLEASE NOTE: Printed copies of the 2025 Rulebook will not be available at the track; it is available online only. Hard copies will be available for race officials only.
IMPORTANT ANNOUNCEMENT FOR THE 2025 SEASON
FOR ALL 600 CC CLASSES
FOR ALL 600 CC CLASSES
- Your right rear tire must durometer at 45 or higher, post race with a ten (10) minute cool down period.
- The 4 week grace period is over - the new tire rule goes into effect Saturday, June 7th, 2025.