MX Classes

Bike Classes:

50cc Shaft Drive

Shaft drive 2 stroke

Ages 4-8

0-51cc

50cc Junior

Single speed automatic

Ages 4-6

0-51cc

50cc Senior

Single speed automatic

Ages 7-8

0-51cc

50cc Open

Ages 4-8

0-51cc

Open to all 50cc machines

65cc Junior

Ages 7-9

59-65cc

65cc Senior

Ages 10-11

59-65cc

65cc Open

Ages 7-11

59-65cc

Open to all 65cc machines

85cc Junior

Ages 9-11

2-stroke 79-85cc*

4-stroke 75-150cc *

*Small wheel only

85cc Senior

Ages 12-15

2-stroke 79-85cc*

4-stroke 75-150cc*

*Small wheel only

Super Mini

Ages 10-16

2-stroke 79-112cc

4-stroke 75-150cc

Schoolboy

Ages 12-17

122-250cc

No 250 2-Stroke

No “A class, Money Class,

or Pro class” racers allowed.

Women

Ages 12+

99cc-250cc

2-stroke

Ages 12+

122-250cc

Must be 14 to ride 250 2-stroke

125 2-stroke

Ages 10+

100-150cc

Must be 12 to ride 125cc

Collegeboy

Ages 16-24

122cc-open

250 A

Ages 16+

122-250cc

250 B

Ages 12+

122-250cc

Must be 14 to ride 250 2-stroke

250 C

Ages 12+

122-250cc

Must be 14 to ride 250 2-stroke

Open A (Pro Bike)

Ages 16+

122cc-open

Open B

Ages 14+

122cc-open

Open C

Ages 14+

122cc-open

Plus 25

Ages 25+

122cc-open

Vet Plus 30

Ages 30+

122cc-open

Vet Plus 30 C

Ages 30+, Cannot run Collegeboy, Plus 25 or Vet Plus 30

122cc-open

Senior Plus 40

Ages 40+

122cc-open

Senior Plus 50

Ages 50+

122cc-open

Jr. Trail

(Faircross Only)

Ages 11 and under

0-110cc

12” rear wheel max.

Air cooled only 

Sr. Trail

(Faircross Only)

Ages 12-16

0-110cc

14” rear wheel min. (xr80-100-150, ttr125, drz140, klx140, etc.)

Air cooled only

ATV Classes:

 

ATV 50

*Production Class 0-50cc

Ages 4-8

ATV 70

50-70cc

Ages 6-11

ATV 90

70-90cc 2-stroke, 125cc max. 4-stroke

Ages 8-14

ATV Supermini

Ages 11-15

Machine limits shall be 71-105cc 2-Stroke, 75-150cc 4-Stroke.

ATV Schoolboy

Ages 12-16

0-200c 2 stroke, 0-350cc 4 stroke

No Auto or CVT ATVs, no 250cc 2 strokes (lt250r or trx250r)

ATV A

450cc – Age 16+

250cc – Age 14+

ATV B

450cc – Age 16+

250cc – Age 14+

ATV C

450cc – Age 16+

250cc – Age 14+

ATV Open

450cc – Age 16+

250cc – Age 14+

ATV Vet

Ages 30+

250cc-Open

*See production rules for allowable modifications.