My 07 developed a big hesitation like it was cutting out and then took off as I opened the throttle. I spent days doing the jetting with no improvement then I was out testing when my mate loaned me the CDI unit of his 05 RMZ450 and bingo the big flat spot was gone. Also I noticed my CDI unitwas real hot and his was quite cold. Anyone had similar CDI unit problems, my bike only has about 10 hours riding. What would cause the CDI unit to fail?.