Aaron Yates topped Friday afternoon 600cc Supersport times at Sears Point. Top times follow:

1. Aaron Yates, Suzuki, 1:37.549
2. Kurtis Roberts, Honda, 1:37.795
3. Miguel Duhamel, Honda, 1:37.979
4. Tommy Hayden, Yamaha, 1:38.176
5. Jason Pridmore, Suzuki, 1:38.321
6. Brian Parriott, Suzuki, 1:38.403
7. Anthony Gobert, Yamaha, 1:38.409
8. Jake Zemke, Honda, 1:38.468
9. Jamie Hacking, Suzuki, 1:38.632
10. Eric Bostrom, Kawasaki, 1:38.639
11. Josh Hayes, Honda, 1:38.671
12. Aaron Gobert, Yamaha, 1:39.189
13. Roger Hayden, Honda, 1:39.307
14. John Hopkins, Suzuki, 1:39.375
15. Damon Buckmaster, Yamaha, 1:39.482
16. Vince Haskovec, Suzuki, 1:40.188
17. Grant Lopez, Suzuki, 1:40.395
18. Stuart Stratton, Yamaha, 1:42.562
19. Jeff Tigert, Honda, 1:42.623
20. David Ortega, Suzuki, 1:43.027