AMA SUPERBIKE CHAMPIONSHIP
Date Posted — September 21, 2007
PICKERINGTON, Ohio – AMA Racing has announced that riders Martin Cardenas, Jake Holden, Morgan Murphy, Shaun Summers and Aaron Yates have been penalized following the season-ending AMA Superbike Championship event from Mazda Raceway Laguna Seca on Sept. 16, 2007.
In pre-race technical inspection, the motorcycles of Murphy and Summers were found to be using engines that were not homologated for the class. In post-race technical inspection, the motorcycles of Cardenas, Holden and Yates were found to have illegal modifications to the crankcase breather tube(s).![]()

















