A boat fuel tank overflow can be caused by a clog in the vent.
Problems filling boat gas tank.
Owners should only open the fuel cap for refueling.
If fuel gets into the water you can get into trouble quickly so you can t continue to boat with a small leak.
Since it s not pressurized filling it can be more troublesome.
It s already been determined that the issue with a lot of boats is the vent tube not providing adequate vent while filling causing the gas to back up.
The nozzle continually shut down as if the tank were full until a gusher of gas spewed from the vent.
There s no other way to work out when my tank s full as i have no way of determining how much fuel is in the tank to begin with.
The first time fuel is introduced to the a fuel tank be aware of the interaction of cold raw fuel vapors replacing air on occasion a vapor pressure can occur producing spit back anomalies.
Knowing the tank can t possibly be full i keep working on filling the tank at a rate of less than a gallon per click until 10 12 possibly more gallons later i see gas come out of the tube.
It was difficult to put gas in the tank.
Is the fuel tank vent clogged.
A boat s gas tank is different from your car s gas tank.
Your boat may sit for months in the off season and your car rarely.
Shortly after i had a new fuel tank installed i discovered a problem a boat gas tank vent problem.
The video didn t say a single thing about why we have a hard time filling our gas tanks it was an advertisement for a new tank fill system perko has come up with.
Taking a look on the outside of the hull and seeing if the vent is even there if it is corroded broken or upside down.
Then i could fill up just fine.