Yamaha 宣布退出明年的 WSBK 賽事，但會提供 R1 與 R6 給私人車隊使用........http://www.yamaha-racing.com/Racing/wsb/news/newsdetail.jsp?Component=tcm:78-465943&PageTitle=Yamaha%20Official%20World%20Superbike%20Team%20withdraws%20at%20the%20end%20of%202011%20season%20from%20World%20Championship
