| Event Date | Age | Venue | Series | Class | Heat | LCQ | Main | Brand | Bike No. |
|---|
| 1989-01-28 | 19.027 | Anaheim | sx | 250T | | | 15 | Suzuki | | | 1989-02-04 | 19.034 | Seattle | sx | 250T | | | 14 | Suzuki | | | 1989-02-05 | 19.035 | Seattle | sx | 250T | | | 14 | Suzuki | | | 1989-03-11 | 19.069 | Daytona Beach | sx | 250T | | | | | | | 1989-03-18 | 19.076 | Houston | sx | 250T | | | 18 | Suzuki | | | 1989-03-25 | 19.083 | Tampa | sx | 250T | | | 18 | Suzuki | | | 1989-04-01 | 19.090 | Dallas | sx | 250T | | | 19 | Suzuki | | | 1989-04-15 | 19.104 | Pontiac | sx | 250T | | | 19 | Suzuki | | | 1989-04-16 | 19.105 | Pontiac | sx | 250T | | | 20 | Suzuki | | | 1989-05-06 | 19.125 | East Rutherford | sx | 250T | | | 17 | Suzuki | | | 1989-06-04 | 19.154 | Oklahoma City | sx | 250T | | | 21 | Suzuki | | | 1989-06-10 | 19.160 | Los Angeles | sx | 250T | | | 21 | Honda | |
| Event Date | Age | Venue | Series | Class | Heat | LCQ | Main | Brand | Bike No. |
|---|
| 1990-01-27 | 20.026 | Anaheim | sx | 250T | | | 20 | Suzuki | |
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