C-Class (novice)

This class is for beginning level riders. Both 2 and
4-stroke motors are allowed and there are no
displacement limitations. This is the class that most
riders begin their racing careers in. Daily awards
(trophies) are awarded in this class, but there is no
Series Championship awards offered in this class

16 yr. old and older

B-Class (intermediate)

This class is for intermediate level riders. Both 2
and 4-stroke motors are allowed and there are no
displacement limitations. This class has a State
Championship awarded.

16 yr. old and older

A-Class (expert)

This class is for expert level riders. Both 2 and 4-
stroke motors are allowed and there are no
displacement limitations. This class has a State
Championship awarded.

16 yr. old and older

Schoolboy Jr.

This class is open to any Production machine 91-200cc 2-stroke
or 91-300cc 4-stroke. Modifications are not limited. (Riders
must meet ATVA requirements for the Schoolboy Jr. class) This
class has a State Championship awarded at the seasons end,
using the top 20 finishes.

13-15 yr. old

Schoolboy Sr.

This class is open to any Production 200-400cc 4-stroke
machine, modifications are not limited. (Riders must meet
ATVA requirements for the Schoolboy Sr. class)
This class has a State Championship awarded at the seasons end,
using the top 20 finishes.

15-17 yr. old

Quad 16-29

This class is for riders aged 16-29. Both 2 and 4-
stroke motors are allowed and there are no
displacement limitations and all skill level riders are
eligible for this class. This class has a State
Championship awarded.

16-29 yr. old

Quad 30+

This class is for riders aged 30 years old and older.
Both 2 and 4-stroke motors are allowed and there are
no displacement limitations and all skill level riders
are eligible for this class. This class has a State
Championship awarded.

30 yr. old and older

Quad 40+

This class is open to any machine 91-200cc 2-stroke or 91-300cc 4-stroke. Modifications are not limited. This class has no year end championship and may be run at the promoter’s discretion for exhibition only.

40 yr. old and older

Quad Women

This class is for women riders only. Both 2 and 4-
stroke motors are allowed and there are no
displacement limitations for riders 16 and older
(riders aged 13-15 must follow ‘Quad S’ size
restrictions) and all skill level riders are eligible for
this class. This class has a State Championship
awarded.

13 yr. old and older

Quad Utility

This class is eligible for any machine that meets at
least one of the following criteria: comes standard
from the manufacturer with racks, has an automatic
transmission, has an automatic clutch, or is 4 wheel
drive. There is no displacement or modification
limits. This class has a State Championship
awarded.

16 yr. old and older

Quad 90
Production
Sr.
(90 cc Production)

This class is open to any 51-90cc 2-stroke or 51-
125cc 4-stroke production machine (no dirt-bike
motors or aftermarket chassis are allowed).
Modifications are not limited. This class has a State
Championship awarded. [No Shifter Cobra ATV’s
allowed. Fully auto Cobra ATV’s are allowed] –
This class runs on the ‘big-track’ at points paying
events.

12-15 yr. old

Quad 90
Production
Intermediate
(90 cc Production)

This class is open to any 51-90cc 2-stroke or 51-
125cc 4-stroke production machine (no dirt-bike
motors or aftermarket chassis are allowed).
Modifications are not limited. This class has a State
Championship awarded. [No Shifter Cobra ATV’s
allowed. Fully auto Cobra ATV’s are allowed] –
This class runs on the ‘small-track’.

12-15 yr. old

Quad 90
Modified
(90 cc Modified)

This class is open to any 51-90cc 2-stroke or 51-
125cc 4-stroke machine (dirt-bike motors and
aftermarket chassis are allowed). Modifications are
not limited. This class has a State Championship
awarded. [This is the class for all shifter Cobra
ATV’s]

12-15 yr. old

Quad 50
Production
Auto
(50 cc Production)

This class is open to any 0-49cc 2-stroke or 4-stroke
production machine. Modifications are not limited.
This class has a State Championship awarded. –This
is where Cobra 50’s race-

6-8 yr. old

Quad 50
Production
CVT
(50 cc Production)

This class is open to any 0-49cc 2-stroke or 4-stroke
production machine. Modifications are not limited.
This class has a State Championship awarded. –
Cobra’s not allowed in this class-

6-8 yr. old

Quad 50 Lim
Stock
(50 cc Stock)

This class is open to any 0-49cc 2-stroke or 4-stroke
production machine Modifications are limited and
follow ATVA guidelines. This class has a State
Championship awarded. –Cobra’s not allowed in this
class-

4-6 yr. old