| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 2005 | United States Grand Prix | 56 | Kawasaki Racing Team | Kawasaki | 10 | 9 | 7 |
| 2006 | United States Grand Prix | 56 | Kawasaki Racing Team | Kawasaki | 8 | Ret | 0 |
| 2007 | United States Grand Prix | 56 | Konica Minolta Honda | Honda | 9 | 12 | 4 |
| 2008 | United States Grand Prix | 56 | San Carlo Honda Gresini | Honda | 12 | 10 | 6 |
| Avg. | 9.8 | 10.3 | 5.7 |
