2008 District 17 MX/SX Class Specifications
Motocross/Stadium Motocross Class names, and
qualifications.
Please note that in the 50cc
classes there is a specific list authored by AMA for specific machines which are
for certain classes.
ALSO note, there are bike height,
and wheel sizes specific for all classes, that information is in the AMA rule
book.
Specific Rules pertaining to
Quad/ATV race equipment is also included in the AMA rule book.
| New 2008
class structure does not have handi-capping in amateur classes. |
| |
|
|
|
| Class
Name |
AGE |
Motor
Size (cc) |
NOTES |
| 50cc
(4-8) |
4-8 yrs |
0-51cc |
Stock
Multi/Auto (class 3&4 AMA) |
| 50 Jr |
4-6 yrs |
0-51cc |
Stock Auto |
| 50 Sr |
7-8 yrs |
0-51cc |
Stock Auto |
| 65cc Jr |
 7-9 yrs |
59cc-65cc |
|
| 65cc Sr |
10-11 yrs |
59cc-65cc |
|
| 85 Jr |
9-11 yrs |
79-85cc |
|
| 85 Sr |
12-15 yrs |
79-85cc |
|
| Super
Mini |
12-16 yrs |
79-150cc |
|
| Schoolboy |
12-16 yrs |
80cc-125cc |
No
"A" riders |
| 125cc |
12 & up |
122-125cc |
|
| Open A |
14 & up |
122cc-Open |
|
| Open B |
14 & up |
122cc-Open |
|
| Open C |
14 & up |
122cc-Open |
|
| 250 A |
14& Up |
122cc-250cc |
|
| 250 B |
14& Up |
122cc-250cc |
|
| 250 C |
14& Up |
122cc-250cc |
|
| 14*24 |
14-24yrs |
122cc-Open |
|
| 25+ |
25+ yrs |
122cc-Open |
|
| 30+ A |
30+ yrs |
122cc-Open |
|
| 30+ B |
30+ yrs |
122cc-Open |
|
| 40+ |
40+ yrs |
122cc-Open |
|
| 45+ |
45+ yrs |
122cc-Open |
|
| 50+ |
50+ yrs |
122cc-Open |
|
| Women |
12 yrs &
Up |
99cc-250cc |
no
minicycles |
| Girls |
8-15 yrs |
79cc-105cc |
|
| 4-Wheel A |
16 yrs &
Up |
91cc-Open |
|
| 4-Wheel B |
16 yrs &
Up |
91cc-Open |
|
| 4-Wheel C |
16 yrs &
Up |
91cc-Open |
|
| 90cc
4-Wheel |
8-15 yrs |
71cc-90cc |
2 stroke |
| '' |
'' |
75cc-125cc |
4 stroke |
| 300cc
4-Wheel |
13-15 yrs |
90cc-200cc |
2
stroke |
| '' |
'' |
90cc-300cc |
4 stroke |
| Vintage |
|
2002 model |
No
"A" riders |