2011 National Classes
CLASS # CLASS NAME MACHINE REQUIREMENTS AREA QUALIFIER RACE DAY
AMATEUR: Classes attend Amateur Regional
1 Open Pro Sport 122-Open cc Sunday
2 250 A 122-250cc Saturday
3 250 B Stock 122-250cc Saturday
4 250 B Modified 122-250cc Sunday
5 250 C Stock 122-250cc Saturday
6 250 C Modified 122-250cc Sunday
7 450 A 122-Open cc Saturday
8 450 B Stock 122-Open cc Saturday
9 450 B Modified 122-Open cc Sunday
10 450 C 122-Open cc Sunday
11 College B/C (17-24) 122-Open cc Sunday
12 Junior 25+ 122-Open cc Sunday
13 Vet B/C 30+ 122-Open cc Sunday
14 Vet 35+ 122-Open cc Sunday
15 Senior 40+ 122-Open cc Sunday
16.1* Senior 45+ 122-Open cc Sunday
16.2* Masters 50+ 122-Open cc Sunday
YOUTH: Classes attend Youth Regional
17.1* 51cc (4-6) Stock Multi Speed 0-51cc 4-Stroke Saturday
17.2* 51cc (4-6) Stock Shaft Drive 0-51cc 2-Stroke Saturday
18* 51cc (4-6) AMA Stock 1 0-51cc 2-Stroke Saturday
19* 51cc (7-8) AMA Stock 2 0-51cc 2-Stroke Saturday
20 65cc (7-9) Stock 59-65cc 2-Stroke Saturday
21 65cc (10-11) Stock 59-65cc 2-Stroke Saturday
22 65cc (7-11) Modified 59-65cc 2-Stroke Sunday
23 85cc (9-11) Stock 79-85cc 2-Stroke Saturday
24 85cc (9-11) Modified 79-85cc 2-Stroke Sunday
25 85cc (12-14) Stock 79-85cc 2-Stroke Saturday
26 85cc (12-14) Modified 79-85cc 2-Stroke Sunday
27 Super Mini 1 (12-15) 79-112cc 2-Stroke/75-150cc 4-Stroke Saturday
Max. Wheels: Front 19"; Rear 16"
28 Super Mini 2 (13-16) 79-112cc 2-Stroke/75-150cc 4-Stroke Sunday
Max. Wheels: Front 19"; Rear 16"
29 Schoolboy 1 (12-16) B/C 86-125cc 2-Stroke/75-150cc 4-Stroke Saturday
Min. Wheels: Front 19"; Rear 16"
30 Schoolboy 2 (13-16) B/C 100-150cc 2-Stroke/126-250cc 4-Stroke Sunday
Min. Wheels: Front 19"; Rear 16"
31.1* Girls (12-15) 79-112cc 2-Stroke/75-150cc 4-Stroke Saturday
Max. Wheels: Front 19"; Rear 16"
31.2* Girls (9-11) 79-85cc 2-Stroke Saturday
32* Women (14+) 99-250cc Saturday
Min. Wheels: Front 19"; Rear 16"
33.1* Youth Beginner (12-15) 79-85cc 2-Stroke/75-150cc 4-Stroke Saturday
33.2* Youth Beginner (9-14) 79-85cc 2-Stroke Saturday
*Riders may attempt to qualify at the Area Qualifier and Regional  Championship in the following multiple classes;
However, at the National, only one class may be chosen between them:
a. Any 51cc Class
b. Senior (45+) and Masters (50+)
c. Girls (12-15), Girls (9-11) and Women (14+)
d. Youth Beginner (12-15), (9-14)

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