
Superbikes is generic term for a class for large multicylinder engined machines. These are represented in MA historic periods, 4,5, and 6, BEARS events, and FX moderns events, mainly in only two capacity classes. Typical examples may be seen at:
http://www.youtube.com/watch?v=Ur7K3K9iXQo
http://www.youtube.com/watch?v=RvVNUOGD3fI&feature=related
A Typical MA historic Forgotten Era race (Periods 4&5) may be seen at:
http://www.youtube.com/watch?v=pgnvb4G4X7I
Superbike Links
FX Naked Bike Eligibility and Technical