2020 Class Structure

Class #Class NameEngineAgeStrokeTire Front/RearDetails
150 Air-Cooler Ltd Beg50cc Limited4 to 82S/4S10″F/10″RBeginner
251 (4-6) Ltd51cc Limited4 to 62S/4S10″F/10″R
351 (6-7) Ltd51cc Limited6 to 72S/4S12″F/10″R
451 (7-8) Ltd51cc Limited7 to 82S/4S12″F/10″R
551 (4-8) Open51cc Modified4 to 82S/4S12″F/10″ROpen Skill
665 (7-11) Beginner59-65cc Modified7 to 112S14″F/12″RBeginner
765 (7-9)59-65cc Modified7 to 92S14″F/12″R
865 (10-11)59-65cc Modified10 to 112S14″F/12″R
965 (7-11) Open59-65cc Modified7 to 112S14″F/12″ROpen Skill
10Girls (7-13)65-85cc/150cc Modified7 to 132S/4S17″F/14″RGirls
1185 Beginner79-85cc/150cc Modified9 to 152S/4S17″F/14″RBeginner
1285 (9-11)79-85cc/150cc Modified9 to 112S/4S17″F/14″R
1385 (12-13)79-85cc/150cc Modified12 to 132S/4S17″F/14″R
1485 (12-14)79-85cc/150cc Modified12 to 142S/4S17″F/14″R
1585 (9-15) Open79-85cc/150cc Modified12 to 152S/4S17″F/14″ROpen Skill
16Super Mini (12-16)79-112cc 150cc Modified12 to 162S/4S19″F/16″ROpen Skill
17125 C/D99-125cc/150cc Modified12+2S/4S19″F/16″R MinNovice/Beginner
18Schoolboy 1 (12-16)99-125cc/150cc Modified12 to 162S/4S19″F/16″R MinNo “A” Riders
19Schoolboy 2122-250cc Modified12+2S/4S21″F/19″RNo “A” Riders
20Womens (12+)99-250cc/250cc Modified12+2S/4S19″F/16″R MinNo “A” Riders
21250 D Beginner122-250cc Modified12+2S/4S21″F/19″RBeginner
22250 C Jr122-250cc Modified12+2S/4S21″F/19″RNovice
23250 B Intermediate122-250cc Modified12+2S/4S21″F/19″RIntermediate
24250 A Pro122-250cc Modified16+2S/4S21″F/19″RExpert/Pro
25450 D Beginner122cc-Open Modified12+2S/4S21″F/19″RBeginner
26450 C Jr122cc-Open Modified12+2S/4S21″F/19″RNovice
27450 B Intermediate122cc-Open Modified12+2S/4S21″F/19″RIntermediate
28450 A Pro122cc-Open Modified16+2S/4S21″F/19″RExpert/Pro
29Pro 50/50122cc-Open Modified16+2S/4S21″F/19″RExpert/Pro
30Open A122cc-Open Modified16+2S/4S21″F/19″RExpert/Pro
31Vet D Beginner122cc-Open Modified25+2S/4S21″F/19″RBeginner
32Vet (25+) B/C122cc-Open Modified25+2S/4S21″F/19″RInt/Novice
33Vet (30+) B/C122cc-Open Modified30+2S/4S21″F/19″RInt/Novice
34Vet (30+) A Pro122cc-Open Modified30+2S/4S21″F/19″RExpert/Pro
35Vet (40+) B/C122cc-Open Modified40+2S/4S21″F/19″RInt/Novice
36Vet (50+)122cc-Open Modified50+2S/4S21″F/19″ROpen Skill

*Notes:

1.     Age effective date: January 1, 2020.

2.     Classification:

        • A = Expert or Pro;
        • B = Int or Intermediate;
        • C = Nov, Novice or Jr;
        • D = Beg or Beginner

3.     Beginner is defined as: A rider that has not raced more than (1) one calendar year, or (2) or more than four
(4) races within the last 18 months prior to series opener.

        • Note: Beginners are allowed to compete in Open classes.

4.     Pro 50/50: Top three from 1st moto of 250 A and 450 A will eligible to race 50/50. Racer will win 50% of the proceeds. Race winner will pull ticket for other 50%. Race will be between 1st and 2nd moto’s. One (1) moto format, 3 laps sprint.

5.     Eligible machines for Class #1 only include (Air Cooled ONLY:

        • Honda XR50 & CRF50;
        • Kawasaki KDX50;
        • KTM Mini Adventure (Up to ‘07),
        • Suzuki JR50;
        • Yamaha PW50 & TTR50

6.     Abbreviations:

        • AC = Air-Cooled;
        • 2S = Two Stroke;
        • 4S = Four Stroke;
        • WB = Wheelbase;
        • FW = Front Wheel Maximum;
        • RW = Rear Wheel Maximum.

7.      Women racers may drop down one Classification when racing outside a designated Women’s class unless previously advanced through the National Advancement System. (i.e. Women’s A riders can race in the 250B class).

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