Hope someone can help me. My busa was fine, now occassionally (getting more frequent) when I rev it over 6000 rpms, it stutters for about 2 second and then takes off. I took it to the dealer and they tried to blame it on the map dropping out of the power commander. I reloaded the map and the same thing occurred. I took the power commander completely off, same thing. There doesn't seem to be a pattern to it other than it only occurs on hard acceleration when it get over 6000 rpms. Any help would be appreciated.