| 
 
  | Practices |  
  | Class | Date | Pl | No | Machine | Laps | Time | On Lap | MPH |  
  | Formula 1 | 2 June 2004 | 33 | 58 | 750 Suzuki GSXR K3 | 2 | 19' 48.70"15 |  | 114.27 |  
  | Formula 1 | 4 June 2004 | 31 | 58 | 750 Suzuki GSXR K3 | 2 | 20' 01.70"15 |  | 113.03 |  
  | Formula 1 | 9 June 2004 | 9 | 58 | 750 Suzuki GSXR K3 | 2 | 19' 11.90"15 |  | 117.92 |  
  | Junior | 29 May 2004 | 17 | 52 | 600 SUZUKI | 2 | 21' 00.60"15 |  | 107.75 |  
  | Junior | 31 May 2004 | 43 | 52 | 600 SUZUKI | 2 | 20' 56.00"15 | 1 | 108.14 |  
  | Junior | 1 June 2004 | 32 | 52 | 600 SUZUKI | 4 | 20' 30.20"15 |  | 110.41 |  
  | Junior | 2 June 2004 | 29 | 52 | 600 SUZUKI | 2 | 20' 16.00"15 |  | 111.70 |  
  | Junior | 4 June 2004 | 21 | 52 | 600 SUZUKI | 3 | 20' 11.50"15 |  | 112.12 |  
  | Junior | 8 June 2004 | 8 | 52 | 600 SUZUKI | 1 | 19' 55.40"15 |  | 113.63 |  
  | Lightweight | 29 May 2004 | 9 | 70 | 400 Yamaha FZR RR SP | 2 | 22' 35.40"15 |  | 100.21 |  
  | Lightweight | 31 May 2004 | 10 | 70 | 400 Yamaha FZR RR SP | 2 | 21' 42.00"15 | 2 | 104.32 |  
  | Lightweight | 5 June 2004 | 2 | 70 | 400 Yamaha FZR RR SP | 2 | 20' 58.30"15 |  | 107.95 |  |