Novice |
--- |
|---|---|
Jr. 1 .425 |
250 |
Jr. 2 .500 |
275 |
Jr. Restricted .575 |
300 |
Jr. Unrestricted |
325 |
4 Cyl. Light |
325 |
4 Cyl. Medium |
350 |
4 Cyl. Heavy |
375 |
4 Cyl. Limited |
375 |
Sr. Sportsman |
375 |
Yamaha |
360 |
Open 2 Cyl. |
360 |
Waterloo Speedway, Inc. • 1164 Route 96 • Waterloo, NY 13165 | ©2007 All Rights Reserved.
Stock Novice |
5-8 |
|---|---|
Briggs Jr. 1 .425 |
8-10 |
Briggs Jr. 2 .500 |
10-12 |
Briggs Restricted .575 |
12-15 |
Briggs Jr. Unrestriced (no rookie drivers) |
12-15 |
Briggs Light |
15-Up |
Briggs Medium |
15-Up |
Briggs Heavy |
15-Up |
Briggs Limited |
15-Up |
Briggs Sr. Stock |
35-Up |
Yamaha 2 Cyl. / 2 Cyl. Open |
16-Up |