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Anthony TX
KAWASAKI
Formula Arroyo EX (Unlimited GP)
Formula Arroyo is the top class in ASMA racing. Unlimited machines, experts only and a cash purse.135%
payback in this class. This is a 12 lap race.  Payout through 6th place.

Modern Vintage (Combined Am & Ex)
Have an older bike and want to do some roadracing? The ASMA Modern vintage class is for you. 1998 and
older bikes are eligible so this is an inexpensive way to try roadracing. Superbike rules.

Formula Amateur
This is an unlimited displacement amateur money race with a purse.
Amateurs only, 12 lap races. ASMA Certificates  paid through 5th place. $150, $100, $75, $25, $20.

Middleweight  SuperStock Amateur
Open to all 650cc and under 4 cylinders, 750cc and under twins and triples. SuperStock rules apply

Middleweight Superstock Expert
Open to all 650cc and under 4 cylinder production motorcycles, 750cc and under twins and triples. SuperStock
rules apply

Unlimited Superstock Amateur
Open to all production motorcycles. SuperStock rules apply

Unlimited Superstock Expert
Open to all production motorcycles. SuperStock rules apply

Formula Twins
Open to 700cc and under liquid cooled twin cylinder machines, and 1000cc and under air cooled twin cylinder
machines, as well as 125cc single cylinder machines. (combined am and ex) Superstock rules apply with the
exception of tires.

Lightweight Superbike (Combined Am & Ex)
700cc and under 4 stroke, 4 valve twins, 750cc and under 4 stroke, 2 valve twins, 550cc and under 4 cylinder and
triples. Unlimited displacement 4 stroke singles. We allow 125cc 2 stroke singles as an exception. Superbike
Rules.

Lightweight GP (Combined Am & Ex)
This class is open to any 500cc and under 2 stroke single, 250cc and under
two stroke twin, 125cc singles, 750cc and under 4 stroke 4 valve
twin, and up to 800cc 4 stroke 2 valve twin. Also, up to 550cc 4 cylinder 4
stroke machines and unlimited displacement singles.

Heavyweight Superbike Expert
This class is open to 750cc 4 stroke 4 cylinder machines, 900cc triples, and up to 1000cc 4 stroke twins.
Superbike Rules.

Heavyweight Superbike Amateur
This class is open to 750cc 4 stroke 4 cylinder machines, 900cc triples, and up to 1000cc 4 stroke twins.
Superbike Rules

Beginner
In 2003 ASMA added a beginner class to encourage those that don’t want to ride with the more experienced
racers and to give those just starting out a chance at winning their first race a bit sooner. Riders are eligible to race
the beginner until they win or finish in the top 5 three times, upon which time they will be promoted to the
amateur class. Beginning riders are allowed to race in amateur classes as well. Bikes are unrestricted so long as
they meet the safety guidelines.

Formula 40 (combined Am & Ex)
The only restriction in the formula 40 class is that the rider must be at least 40 years old to enter. Proof of age is
required to enter this class especially if you look under 21!

Heavyweight Twins (combined Am & Ex)
The Heavyweight Twins class is made specifically for non 4 cylinder
motorcycles. Any size single, twin or triple cylinder machine is
eligible as long as it meets the safety requirements. Superbike Rules.

Middleweight Superbike Expert
650cc 4 cylinder machines, 900cc 3 cylinder machines, and up to 850cc twins. Superbike Rules.

Middleweight Superbike Amateur
650cc 4 cylinder machines, 900cc 3 cylinder machines, and up to 850cc twins. Superbike Rules.

Unlimited Superbike Amateur
Unlimited displacement machines and amateur licensed riders only. Superbike Rules.

Unlimited Superbike Expert
Unlimited displacement, experts only, Superbike Rules.

Team Sprints:
Two riders, one bike, 7 laps  each with a rider change at halfway. No two riders currently in the top 5 of
Formula  Arroyo may be on one team.