Originally Posted by TurkeyRun
It didn't want to start at first, then when it did, I got this strange squeaky/whistling noise when it fired.
Well, Sir, scroll to the bottom of this page, press the (hard to find) link that says AHll og Wisdom. There you find a document named "Squeaky starter". It explains how to get rid of that, well, squeaky sound at start up.
Summary: Not dangerous but will wear out your starter and flywheel if not fixed.
Then on to the general noise: Remember that on the GS everything sticks out in ta air. The mechanical noise can be overwhelming..
Check out the GSpot FAQ on how to check how much oil there is. If everything is OK, ride it for a while.
Remember this: Unless you ride with plugs in your ear you will worry to death about all the sounds you hear.