Rockstar Makita Suzuki's Ryan Dungey and his team prepare for the upcoming 2011 AMA Supercross season. Check out this quick update regarding pre-season testing on his Yoshimura-equipped 2011 Suzuki RM-Z450. Rockstar Makita Suzuki's Ryan Dungey and his RM-Z450 are the current 2010 AMA Supercross and Motocross champions.
