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'78 GS 750 petcock vacuum hose

  • Thread starter Thread starter Hodaka
  • Start date Start date
H

Hodaka

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I have a 78 GS750,that is fitted with a Pingel petcock,that leaks.I want to change it to stock.I can't find where the vacuum line goes.I'm sure it got plugged,or removed when the petcock was changed,but where is it????Thank you!
Garry
 
Hi,

The vacuum fitting is on the #3 carb.


Thank you for your indulgence,

BassCliff
 
Carbs are off the bike,and all I see are the overflow hoses.Anyone have a pic to share??????
 
By number three we mean the third carb from the left as youre sitting on the bike...just to thrm right and slightly above the fuel tee youll see the brass nipple, and yes it is probably capped because of the pingle
 
There are tubes in that area of number 2,3,and 4.I thought they were bowl vents.There is a connector tube between 1 and 2,another between 3 and 4.I don't mean the ones for fuel.Does that mean the nipples on 2 and 4 are bowl vents,ans 3 is the vacuum nipple?????I guess the best thing is to investigate where the passages go when I have them apart.Thank you for the help.
 
Vacum line is #3 carb..vent lines that route to no where but lay behind the airbox(on a stock bike) are #2 and #4...I'd post a pic but photobucket site is still down for me..hope this helped.


DDM
 
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