Motocross Class List

Take a look back at all of the thrilling moments from the 2019 lucas oil pro motocross 450 class season which was dominated by eli tomac.

Motocross class list. How old do i have to be. Eligibility approval for non u s. Riders in either the 51cc 4 6 shaft drive or 4 6 junior class may attempt to qualify at the area qualifier and regional championship in both classes but may only enter one 51cc 4 6 class at the national championship. Prior to 1957 the championship was known as the european championship.

Below are the entry lists provided by the ama as of thursday october 8 at 9 50 a m. In 1962 a 250cc class was added and in 1975 a 125cc class was introduced. As of 2015 all international participants looking to take part in the ama amateur motocross program must submit an application for approval of their eligibility. 2020 limited class clarification chart.

Motocross events allow riders from 9years and up. 50cc 4 6 special limited class ktm detail chart. A women s national championship series was introduced in 1996. 2020 ama approved limited class motorcycles.

As motocross technology developed 500 cc two stroke motocross bikes became too powerful for the average rider and faced with diminishing numbers of competitors the a m a. A 125 cc class was added in 1974. Please refer to supplemental rule a 7 for details. Also note there are bike height and wheel sizes specific for all classes that information is in the ama rule book.

You can view the entry list for the 450 and 250 classes below. The kids class is known as the inters or inter juniors. Youth rules apply to. See below for which class you can enter.

Mx2 is the smaller adult bike capacity class usually 125cc 2strokes or 144cc 2strokes and 250cc 4strokes. Discontinued the 500 cc class after the 1993 season. Please note that in the 50cc classes there is a specific list authored by ama for specific machines which are for certain classes. It was inaugurated in 1957 using a 500 cc engine displacement formula.

Mx2 is known is america as the lites class. Pro license restrictions apply. 2020 pro motocross 450 class preview motocross.