Official D18 Points Paying MX Bike Classes (2009)                                                           

Minicycle

50cc JR Stock (4-6)

50cc SR Stock (7-8)                                                                                                                                                                                       

65cc JR (7-9)

65cc SR (10-11)

85cc JR (9-11)

85cc SR (12-15)

Girls (9-15) (79cc-105cc 2 stroke)                                                                      
Super Junior (9-11) (79cc-85cc – Big Wheel allowed)

Super Mini (12-16) (79cc-112cc 2 stroke & 150 4 stroke)

Minicycle / Motorcycle

Women (99cc-250cc Supermini Allowed)

Schoolboy 12-16 (86cc-125cc 2 stroke & 150 4 stroke Big Wheel Only)

Motorcycle

Bikes must have a minimum wheel base of 53”

Schoolboy 14-16 (126cc-250cc)

14-24 (122-Open)

Four Stroke (250-Open)

+25A / +30A / +40A Vet (122-Open)

+30B/C Vet (122-Open)

125B/C (122-125 2 stroke)

250A / 250B / 250C (122-250)

Open A / Open B / Open C (122-Open)

Official D18 Points Paying MX ATV Classes

ATV A / ATV B / ATV C

Please note:

Beginner classes are not recognized by AMA and are not approved D18 classes.

65 open, +35A, and +45A has been removed as a points paying classes for 2009

+30B/C and 125B/C are new points paying classes for 2009

These two classes combine B and C riders in one class