fslifer

Sportster 4tec, fuel gage reads over half when tank is almost dry.
Sender replaced ( under warranty ) with no improvement.
Ohm readings at sender way off spec ( per service manual ).
Customer service at SeaDoo recomends Dealer to call Technical service.
Dealer reported technical service offers no further help.
Is there some other way to contact SeaDoo to get better advice and support?
Is this what I should expect from a new boat?

Sportster 4tec fuel gage reads full down to about 5/8 tank and reads 1/3 when almost empty.
Sending device replaced (umder warranty) with no improvement.
Checked ohm readings (per manual) and they are not close to spec.
Should I not expect more from a new boat?

Fuel gage reads full down to about 5/8 tank, and reads about 1/3 tank when almost dry.
Fuel level gage sender was replaced (under warranty) with no change.
Ohm readings still way off those specified in service manual.
Should I not expect more accuracy from a new boat?

Sportster 4 tec . When fuel gage is just bouncing off full, the tank will take 10+ gallons. When reading 1/2 tank, will take 18 gal. (tank capacity is 21 gal )
New sending device installed ( under warranty ), with no change.
Is there some other way of callibrating the gage ?
Any other ideas ?