Seaswirl Fuel Tank Size

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jjsmith649

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I purchased a 1990 seaswirl tempo. How can I determine the size of the gas tank without running the gas out and filling it?

Thanks
 

tolent

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Jul 18, 2016
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I got the same model and year and in my case the tank is stored under the floor boards. I have the same question.
 

jjsmith649

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I cannot measure the tank as it is under the deck. There is a serial number which ends in 24 _. The blank may be a 6 or a G. Could it be 24 gallons.
 

Chris1956

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Mar 25, 2004
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My Seaswirl fuel tank (made by Skyline) has the capacity stamped on the fill tube fitting. Luckily for me the fuel tank fitting is under a hatch that pops out.
 

tolent

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What is the capacity? I find no stamp anywhere near the fitting.
 

Silvertip

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Sep 22, 2003
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Well then. Why worry about it. Drain it and then refill it. Or -- when the gauge reads empty, fill the tank. Close enough.
 

tolent

Seaman
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Ok. I found the sensor access hatch on the deck. The data plate on the outside of the tank is hard to read but it looks like it says 20 gallons. Does that sound about right?
 

Chris1956

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20Gal sounds too small for anything but a small OB powered boat. What boat do you have (Length and power)?
 

tolent

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Jul 18, 2016
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17' Seaswirl Tempo with a 90HP VRO V4 Evinrude outboard.
 
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jjsmith649

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Thanks everyone. After using the boat for a couple years, it seems that 24 gallons is about right.
 
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