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Gas tank vent tube leak

  • Thread starter Thread starter JDZUKI
  • Start date Start date
J

JDZUKI

Guest
OK guys,here's the story.A while back everybody was superhelpful with fixing my carb/petcock issue.Got a new oem petcock from suzuki,cleaned carbs,drained and changed oil(gas got in it),put it all back together today and she ran like a champ EXCEPT the vent tube still drips gas.Seems like an easy fix, considering all the work I've done so far,took it apart a while ago, I mean do you really need the vent ,can I seal it? is it that weird lookin rubber seal or does the whole shabang have to be replaced? the garage is smellin like gas again and the ball and chain won't let up.any advice greatly appreciated, HAPPY HOLIDAYS to all u ole GS'ers!:)
 
If this is a Suzuki GS, there is no vent tube.

It vents through the keyhole.
 
gas vent tube leak

gas vent tube leak

so I'm imagining it? I better lay off the eggnog.What do you call it then?:confused:
 
gas vent tube leak

gas vent tube leak

Is it the overflow vent tube? Whatever it is its in the schematic for the gas tank, unless Suzki is wrong too.
 
I wonder, are you talking about the drain line from around the sending unit for the fuel gauge?The tank vents through the key hole in the cap
 
I wouldn't seal the vent. A sealed vent plus an over-flowing carb = fuel in the crankcases. Not good!

The problem is most likely further up the line eg sticking float, bad petcock etc.

Why don't you add the model of the bike to your sig? Then someone who knows that particular model can advise more specifically.
 
vent tube leak

vent tube leak

sorry, its an 1982 gs 750e and I tried leaving thecap off, didn't help,yes I guess its the sending unit with the brass collector underneath.
 
The fuel sending unit line comes off the metal plate up under the bottom off the tank, and runs towards the back of the bike.
 
Replace the seal.

Park it outside until you do so you don't blow your house up.
 
JDZUKI said:
sorry, its an 1982 gs 750e and I tried leaving thecap off, didn't help,yes I guess its the sending unit with the brass collector underneath.
Click to expand...
You could try tightening the bolts but odds are you need the rubber gasket.
 
vent tube leak

vent tube leak

So, should I just replace the whole sending unit in the tank or just the seal? Its a pain in the arse to keep emptying the tank to play with it.One and done is what I want.
 
vent tube leak

vent tube leak

Good advise tkent, and my kids smoke in the garage :p
 
vent tube leak

vent tube leak

Thanx to everybody,keep them answers comin, I'm gonna replace the rubber gasket,the sending unit works, its tempermental,but would just a bad sending unit cause a leak ?
 
JDZUKI said:
So, should I just replace the whole sending unit in the tank or just the seal? Its a pain in the arse to keep emptying the tank to play with it.One and done is what I want.
Click to expand...
You think it's a pain to drain the tank to fix a leak? :-k

Imagine the pain of trying to dig through the rubble to see if anything in the house is salvageable when the house blows up. :eek:

Come on, draining the tank is almost basic maintenance stuff. If that is all that much of a pain, you probably don't need to be working on old bikes.
icon_shrug.gif


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