100 National TT

Updated 3/18/2024

25-lap Senior National-
Ages 14 and up, heads-up.
Must comply with D36 rule 11.6.1 ("Formula 100")- (must start life as 125cc or less air-cooled 4-stroke, etc.), 150cc max displacement, no 4-valve heads, no water-cooling. No KLX140s, etc.

15-lap Junior National-
​Ages 10 to 13, heads-up.
​Must comply with D36 rule 11.6.1 ("Formula 100")- (must start life as 125cc or less air-cooled 4-stroke, etc.), 125cc max displacement, no 4-valve heads, no water-cooling.

All Junior and Senior event entrants will receive 1 ticket for drawing for raffle bike.
​First place in the Senior National will receive a restored XR-100. Second place will receive 4 extra raffle tickets. Third place gets 3 extra tickets.

All 100 National motorcycles must be prepared as any other motorcycle being raced in AMA amateur flattrack events (e.g., drain-plugs must be properly safety-wired).