Something isn't right. Take it back and have
Mark or Clue check the overflow hose to the tank
to make sure that it's working right. You could
have a pressure problem if it isn't bleeding the
air properly as the gas is filling it up? That
same problem could create suction when draining
the tank and could stop the flow of gas to the
motor which could make you think it was empty?
That's one possibility? Good luck. FYI--the HP500 won't use too much more gas in a day than
the 496 packages would. Good luck.
Keith Sayre
Conquest Boats
Lake Havasu City
928-680-1400