hi all ive just bought a fazer 600 1998 model and noticed that there was a hole in underside of the exhaust between the hanger bracket and the link pipe to end can . i filled this as i thought it was a rot hole now the link pipe joint is blowing and passing condensation, was the hole i filled a condensation hole and supposed to be there ? should i redrill it think it was about 2 mm and thinking about it looked to round to be rot :S any help would be appreciated thx russ