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78 GS1000 fuel seepage

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Guest
So the bike runs great. I noticed the carbs where leaking because the previous owner didn't have the screws very tight. So I finally get the carbs sealed up and now after I ride it I am getting a puddle of gas under the bike after it sits. Its coming out of the rubber hoses on the bottom side of the carbs. Any idea's? Thanks
 
If you're referring to the overflow hoses attached to the bottom of the float bowl s, there's too much fuel in the float bowl
So either: your floats are set too high, or the needle and seats are leaking
 
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Any idea's?
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So either: your floats are set too high, or the needle and seats are leaking
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Or.. WHite79, maybe you are leaving petcock on PRIme position.

THe float needles do not need to make a perfect seal-shutoff, they can leak a little. THe petcock on the tank is what is suppose to make a good seal shuttoff, but it stays open in the PRIme position.

Also, check you oil level to see it isnt too high. If it is, that will be gas in your oil.
 
It just randomly started dripping but its only really doing on 2 of the 4 carburetors.
 
It just randomly started dripping but its only really doing on 2 of the 4 carburetors.

Probably worth pulling them and checking float height, but if it started happening suddenly I'd agree the O-ring on the needle seat has probably given up the ghost.
 
Probably worth pulling them and checking float height, but if it started happening suddenly I'd agree the O-ring on the needle seat has probably given up the ghost.

VM carbs don't use an O-ring on the float valve body. They use a crush washer. It's the BS CV carbs that use the O-ring.
 
I would be checking your petcock first if it’s not leaking then the carbs can’t overflow unless you’ve got the floats set too high (overflowing on the tilt when on the sidestand?)
 
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