Sweat is right. Unless the cam chain came loose, and that would be impossible without you hearing a terrible racket, and then the bike would quit, no harm was done. In fact, whether the tensioner was set or not your cam chain was probably not loose at all during this time, simply because it was fairly new and still tight. The tensioner really doesn't come into play until many thousands of miles later as the chain stretches with age.
If a cam chain is loose you KNOW it. The sound is unique and comes through very loudly over all the other clatter, and almost always in the beginning ONLY at idle. Once everything gets moving and it is spinning the movement and centripical (sp?) force tightens the chain - even without a tensioner. Once you start hearing that sound you can still ride the bike if you are stupid enough to do it. The chain has to be very loose for anything really bad to happen.
As to telling the dealer. Go ahead if it makes you feel better. It won't accomplish anything. If he's been through that many service managers he already knows that he has a crappy service department.
So, just relax and enjoy your ride.
Monte
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