Sounds like a vacuum leak. Bill in Yardley, PA wkdenton at verizon.net '96 GPz1100 ----- Original Message ----- From: "Jeffrey Markham" <automan25 at yahoo.com> ... full throttle in 3rd gear at about 3800rpm. It pinged all the way through 5000rpm. In addition to this, the idle flutters about 200rpm in either direction