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Category: Race Classes
Period 4 – Post Classic: 1963-1972
CLASSES: 125cc | 126-350cc | 500cc | 750cc | 1300cc
Period 5 – Forgotten Era: 1973-1982
CLASSES: 125cc | 126-350cc | 350cc | 500cc | 750cc | 1300cc
Period 6 – New Era: 1983-1990
CLASSES: 250GP | 250Production | 500cc | 750cc | 1300cc
Commuterlites
CLASSES: Motolite | Superlite | Commuterlite
Pre-Modern: 1991-1997
CLASSES: 250GP | Formula 3 | Supersport | Superbike | Unlimited