2006 Expert Championships
| Supersport | Superbike | Gran Prix | Twins & Singles | GT's | All Others |
| Lightweight | Ultralight | 125 | Supertwins | GTO | Thunderbike |
| Middleweight | Lightweight | Lightweight | Supersingles | GTU | LW Sportsman |
| Heavyweight | Middleweight | Middleweight | Motard | GTL | Formula 40 |
| Unlimited | Heavyweight | Unlimited | Production Twins | Formula 40 lights | |
| Unlimited | Formula 50 |