Copyright 2004, Roadracing World Publishing, Inc.

Graves Yamaha’s Jamie Hacking turned a 1:37.364 on his YZF-R1 to lead all times in the first official AMA Superstock practice, Friday at Brainerd International Raceway in Brainerd, Minnesota.

Set on a blustery morning with ambient temperatures in the low-to-mid-50s F, Hacking’s time was two seconds faster than the existing AMA Superstock lap record for Brainerd, Josh Hayes’ 1:39.400, set in 2003.

Provisional Friday Morning AMA Superstock Practice Times:

1. Jamie Hacking, Yamaha YZF-R1, 1:37.364
2. Josh Hayes, Kawasaki ZX-10R, 1:37.504
3. Roger Lee Hayden, Kawasaki ZX-10R, 1:39.232
4. Tommy Hayden, Kawasaki ZX-10R, 1:39.354
5. Ben Spies, Suzuki GSX-R1000, 1:39.484
6. Jason Pridmore, Suzuki GSX-R1000, 1:39.668
7. Jason DiSalvo, Yamaha YZF-R1, 1:39.764
8. Aaron Gobert, Yamaha YZF-R1, 1:39.964
9. Vincent Haskovec, Suzuki GSX-R750, 1:40.070
10. Eric Wood, Suzuki GSX-R1000, 1:40.590
11. Steve Rapp, Suzuki GSX-R750, 1:40.654
12. John Haner, Suzuki GSX-R1000, 1:40.789
13. Jake Holden, Suzuki GSX-R1000, 1:41.347
14. Geoff May, Suzuki GSX-R1000, 1:41.620
15. Alex Gobert, Honda CBR1000RR, 1:41.780
16. Scott Greenwood, Suzuki GSX-R1000, 1:41.803
17. Jesse Janisch, Suzuki GSX-R1000, 1:42.696
18. Jason Curtis, Suzuki GSX-R1000, 1:43.106
19. Jessica Zalusky, Suzuki GSX-R750, 1:45.783
20. C.R. Gittere, Suzuki GSX-R1000, 1:46.690
21. Montez Stewart, Yamaha YZF-R1, 1:46.884
22. Eric Haugo, Suzuki GSX-R1000, 1:47.931
23. Eric Dooyema, Suzuki GSX-R1000, 1:51.334
24. Tom Grant, Suzuki GSX-R1000, 1:51.566