Wifes gt fuel cap is loose when locked on fuel tank.In 1st/2nd gear it rattles around like crazy.The bike has a 1000k on it and I was wondering if its how they all are or there is a problem with the cap.Its like the cap isn't fitting in the locking notch in the fuel tank and you can rattle it around by hand with the bike off or the rubber o ring isn't thick enough to seal the lid to tank.