MX Classes

Youth Bike Classes:

51cc Shaft Drive Limited             0-51cc

Ages 4-8, PW50 Class

See AMA Rulebook for machine specs.

 

51cc Junior Limited                     0-51cc

Ages 4-6

See AMA Rulebook for machine specs.

 

51cc Senior Limited                    0-51cc

Ages 7-8

See AMA Rulebook for machine specs.

 

51cc Special Limited                    0-51cc

Ages 4-8

See AMA Rulebook for machine specs.

 

50 E Jr.

Ages 4-6

See AMA Rulebook for machine specs.

 

65cc Junior

59-65cc

Ages 7-9

 

65cc Senior

59-65cc

Ages 10-11

 

65cc Open

59-65cc

Ages 7-11

Open to all 65cc machines

 

85cc Junior

Ages 9-11

2-stroke 79-85cc*

*Small wheel only

 

85cc Senior

Ages 12-13

2-stroke 79-85cc*

*Small wheel only

 

85cc Senior 2

Ages 14-15

2-stroke 79-85cc

 

Super Mini

Ages 12-16

2-stroke 79-112cc

4-stroke 75-150cc

 

Schoolboy 1

Ages 12-17

2-stroke 86-125cc

4-stroke 75-150cc

No “A class, Money/Pro class” racers allowed.

 

Schoolboy 2

Ages 12-17

2-stroke 122-150cc

4-stroke 126-250cc

No minicycles or superminis

No “A class, Money/Pro class” racers allowed.

 

Girls Junior

Ages 9-12

2-stroke 59-85cc

Max. Front wheel is 17”, rear wheel is 16”

 

Girls Senior

Ages 12-16

2-stroke 79-112cc

4-stroke 75-150cc

Max. Front wheel is 19”, rear wheel is 16”

 

Amateur Bike Classes:

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 14-24

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 B/C

Ages 30+

122cc-open

 

Senior Plus 40

Ages 40+

122cc-open

 

Senior Plus 45 

Ages 45+

122cc-open

 

Senior Plus 50

Ages 50+

122cc-open

 

Masters Plus 60

Ages 60+

122cc-Open

 

Jr. Trail

(Faircross Series Only)

Ages 11 and under

0-110cc

12” rear wheel max.

Air cooled only

 

Sr. Trail

(Faircross Series Only)

Ages 12-16

0-110cc

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

Air cooled only

 

Youth ATV Classes:

ATV 50

Ages 4-8

ATV 70

50-70cc

Ages 6-11

ATV 90

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

Ages 8-13

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)

Amateur ATV Classes:

ATV A

450cc – Age 16+

ATV B

250cc – Age 16+

ATV C

250cc – Age 16+

ATV Open

250cc – Age 16+

ATV Vet

Ages 30+

250cc-Open

ATV Masters

Ages 45+

250cc-Open

ATV Women 

Ages 15+

250cc-Open