Jon Derhammer
Miision Viejo, CACareer Race Results
| Position | Race | Class | Date | Bike |
|---|---|---|---|---|
| 12 | Baymare Cycle Park | 250MX | April 13, 1974 | Yamaha |
| 19 | Hangtown Motocross Classic | 250MX | April 7, 1974 | Yamaha |
Miision Viejo, CA| Position | Race | Class | Date | Bike |
|---|---|---|---|---|
| 12 | Baymare Cycle Park | 250MX | April 13, 1974 | Yamaha |
| 19 | Hangtown Motocross Classic | 250MX | April 7, 1974 | Yamaha |