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Vent hole(s) in filler neck of fuel tank??

  • Thread starter Thread starter seano
  • Start date Start date
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seano

Guest
I'm about to POR-15 the fuel tank on my 1980 GS850-g and a couple of different folks have warned me to make sure that I locate the vent hole in the filler neck of the tank so that i can poke a hole through it befor the sealer hardens. Trouble is there does not appear to be any hole there. There was a bit of paint overspray in that area from a prior repaint, so i sanded it down to bare metal and I still see no such hole. Is it possible that there isn't one for my year/model? Any ideas?
 
seano said:
I'm about to POR-15 the fuel tank on my 1980 GS850-g and a couple of different folks have warned me to make sure that I locate the vent hole in the filler neck of the tank so that i can poke a hole through it befor the sealer hardens. Trouble is there does not appear to be any hole there. There was a bit of paint overspray in that area from a prior repaint, so i sanded it down to bare metal and I still see no such hole. Is it possible that there isn't one for my year/model? Any ideas?
Click to expand...

Anything is possible, but i haven't seen a tank yet that doesn't have that little hole in the fill tube...

Look closely right below the "lip" & see if it's there - it's a hole about the diameter of a paper clip wire...
 
hikermikem said:
Anything is possible, but i haven't seen a tank yet that doesn't have that little hole in the fill tube...

Look closely right below the "lip" & see if it's there - it's a hole about the diameter of a paper clip wire...
Click to expand...

must be diffrent than the '79s mine vents through the gas cap
 
The vent is in the cap, but the side hole needs to be open too. Otherwise air expands and pushes fuel out the vent all over the tank, also to let air out of the top of the tank so you can fill it all the way up. I make the hole a lot bigger, so I can put fuel in faster when I want it topped off all the way up.
 
tkent02 said:
The vent is in the cap, but the side hole needs to be open too. Otherwise air expands and pushes fuel out the vent all over the tank, also to let air out of the top of the tank so you can fill it all the way up. I make the hole a lot bigger, so I can put fuel in faster when I want it topped off all the way up.
Click to expand...

Kent, could you take picture of this? It could explain why I cant fill the tank all the way up, fuel gets pushed out. I may need to check make sure mine is clear
 
raistian77 said:
Kent, could you take picture of this? It could explain why I cant fill the tank all the way up, fuel gets pushed out. I may need to check make sure mine is clear
Click to expand...

Suzuki designed the tank with a baffle in the filler neck so there will be a little air at the top for expansion. Without that air space the fuel can expand and flow out of the top of the tank. Most GS tanks have that small hole but not sure if all models do.
 
raistian77 said:
Kent, could you take picture of this?
Click to expand...

P1030564.jpg
 
I found it! Thanks so much for the photo Kent. I still had a bit of paint beneath those notched out areas so I took an awl and probed around and there it was! Thanks again everyone - this forum ROCKS!!
 
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