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post #37 of Old 07-11-2013
Join Date: Jul 2007
Location: Truckee, CA
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Re: Tohatsu troubles

I have a Tohatsu 6HP 4 stroke with an external tank. When disconnecting the fuel line at the tank I get sprayed with fuel which then runs into the bottom of the boat. "open the vent" you say. I did. It appears the vent only vents incoming air to the tank. After the tank sits in the hot sun with the vent open I get a large whoosh when loosening the filler cap. I don't know if there is a pressure limit before it vents "out" or if the tank would eventually burst?. I am going to see if I can retrofit the cap so it will vent in both directions.

End result is that like the portable gas cans sold in California, I spill more gas than I ever did before.

Paul T
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