2018 National Classes

Revised 1.10.18

Amateur Classes

ClassesDisplacementArea Qualifer Race Day
1.Open Pro Sport122-Open ccSunday
2.125 C122-125ccSaturday
3.250 A122-250ccSaturday
4.250 B122-250ccSunday
5.250 B Limited122-250ccSaturday
6.250 C122-250ccSunday
7.250 C Limited122-250ccSaturday
8.250 C Jr. (12-17) Limited122-250cc; Must be 14 to ride 250ccSaturday
9.450 B122-Open ccSunday
10.450 B Limited122-Open ccSaturday
11.450 C122-Open ccSunday
12.College (18-24) (Sportsman)**122-Open ccSunday
13.Junior 25+122-Open ccSunday
14.Vet 30+ (Sportsman)**122-Open ccSunday
15.Senior 40+122-Open ccSunday
16.Senior 45+ (Sportsman)**122-Open ccSunday
17.Masters 50+122-Open ccSunday
18.Schoolboy 2 (12-17) B/C***122-250cc; Must be 14 to ride 250ccSunday

Youth Classes

ClassesDisplacementArea Qualifer Race Day
19.*51cc (4-6) Special Limited0-51cc 2-Stroke/4-StrokeSaturday
20.*51cc (4-6) Shaft Drive Limited0-51cc 2-StrokeSaturday
21.*51cc (4-6) Limited0-51cc 2-StrokeSaturday
22.*51cc (7-8) Limited0-51cc 2-StrokeSaturday
23.65cc (7-9) Limited59-65cc 2-StrokeSaturday
24.65cc (10-11) Limited59-65cc 2-StrokeSaturday
25.65cc (7-11)59-65cc 2-StrokeSunday
26.85cc (9-11) Limited79-85cc 2-StrokeSaturday
27.85cc (9-12)79-85cc 2-StrokeSunday
28.Mini Sr 1 (12-13)79-85cc 2-Stroke/75-150cc 4-StrokeSaturday
--Max. Wheels: Front 17"; Rear 16"Saturday
--Max. Wheelbase: 51"Saturday
29.Mini Sr 2 (12-14)79-85cc 2-Stroke/75-150cc 4-StrokeSunday
--Max. Wheels: Front 17"; Rear 16"Sunday
--Max. Wheelbase: 51"Sunday
30.Supermini 1 (12-15)79-112cc 2-Stroke/75-150cc 4-StrokeSaturday
--Max. Wheels: Front 19"/Rear 16"Saturday
31.Supermini 2 (13-16)79-112cc 2-Stroke/75-150cc 4-StrokeSunday
--Max. Wheels: Front 19"/Rear 16"Sunday
32.125 (12-17) B/C122-125cc 2-StrokeSunday
33.Schoolboy 1 (12-17) B/C86-125cc 2-Stroke/75-150cc 4-StrokeSaturday
--Min. Wheels: Front 19"/Rear 16"Saturday
34.Girls (11-16)79-112cc 2-Stroke/75-150cc 4-StrokeSaturday
--Max. Wheels: Front 19"/Rear 16"Saturday
--Must be 12 to ride SuperminiSaturday
35.Women (12+)99-250cc; Must be 14 to ride 250ccSaturday
--Min. Wheels: Front 19"; Rear 16"Saturday

Revised 1.10.18

* Riders in any of the 51cc classes may attempt to qualify at the Area Qualifier and Regional Championship in multiple 51cc classes, but may only enter one 51cc class at the National Championship.

** Sportsman: Pro license restrictions apply. Please refer to Supplemental Rule A.7 for details.

*** Youth Rules apply to class.