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Old 10-28-2018, 06:14 AM   #1
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Default gas tank vent

I just bought a 1988 1700 maxum boat with a built in 12 gallon gas tank. where do I vent the tank? or is it unnecessary
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Old 10-28-2018, 12:58 PM   #2
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A factory built in tank should already have a vent. There should be a small chrome thru hull vent on the side of the boat near the back. On my boat it’s about four feet from the transom.
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Old 10-29-2018, 02:28 PM   #3
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All marine fuel tanks are vented, regardless of whether they are onboard or portable. They are only necessary to fill the tank or draw fuel from it.
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Old 10-29-2018, 05:02 PM   #4
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Quote:
Originally Posted by shrew View Post
All marine fuel tanks are vented, regardless of whether they are onboard or portable. They are only necessary to fill the tank or draw fuel from it.
In other words totally necessary to use the tank. When filling the vent allows air to escape as it is being displaced by fuel and just the opposite when operating the engine.
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