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82 gs750ez carb problems (please help)

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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i have an 1982 gs750ez i cant get the gas to quit leaking if i do not hook up the hoses to the air filter the gas will come out at the carbs face but if i hook them up it comes from the breather hose at the top of the engine the hose begins to leak gas and starts to steam
 
Can't quite figure out what you're describing here. That said, you should have a vacuum line from the front of carb #2 going to the smaller fitting on the petcock. A larger fuel line going from the large fitting on the petcock to the carbs to supply fuel. The crankcase breather tube going from the valve cover to the airbox. Two smaller vent hoses from the bottom of the tank to the rear of the engine and just left dangling. If that is all correct you either have a faulty float valve, leaky petcock, and maybe both.
 
leaky petcock

leaky petcock

Billy Ricks said:
Can't quite figure out what you're describing here. That said, you should have a vacuum line from the front of carb #2 going to the smaller fitting on the petcock. A larger fuel line going from the large fitting on the petcock to the carbs to supply fuel. The crankcase breather tube going from the valve cover to the airbox. Two smaller vent hoses from the bottom of the tank to the rear of the engine and just left dangling. If that is all correct you either have a faulty float valve, leaky petcock, and maybe both.
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ihave taken the carbs apart cleaned everything if the petcock was leaking woudnt the carb still stop gas supply
 
Did you take the float valve seats out of the carb bodies? They have o-rings on them that the fuel can get by. They dry out and shrink up with age. Especially if a spray type cab cleaner is used.
 
Billy Ricks said:
Did you take the float valve seats out of the carb bodies? They have o-rings on them that the fuel can get by. They dry out and shrink up with age. Especially if a spray type cab cleaner is used.
Click to expand...
im looking at the manual now i didnt see anything with o rings on them when i took it apart
 
The float valve seats are the parts that the float needles slip into and stop fuel flow when the floats push on the needles. You have to remove the floats and a small screw to get the valve seats out of the carb bodies. Be very careful removing the pins that hold the floats in the carbs. You can easily break the towers that the floats pivot on.
 
Billy Ricks said:
The float valve seats are the parts that the float needles slip into and stop fuel flow when the floats push on the needles. You have to remove the floats and a small screw to get the valve seats out of the carb bodies. Be very careful removing the pins that hold the floats in the carbs. You can easily break the towers that the floats pivot on.
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yes i took that out dut the jet itself wouldnt come out there was a little spike type thing that the floats would rest on i took it out it has some sort of spring to it inside it i cleaned that but the jet itself would not come out does it unscrew or dou you just jerk it out
 
Just pull them straight out. The o-rings are on the valve seats. Use a little oil on the o-rings when reinstalling them. It's easy to shave a bit of the o-ring off putting the seats back in. The o-rings that come with repair kits for pump up type garden sprayers fit perfect if you have trouble locating the right size. There is a guy that frequents this site by the name of Robert Barr that sells o-ring kits.
 
Billy Ricks said:
Just pull them straight out. The o-rings are on the valve seats. Use a little oil on the o-rings when reinstalling them. It's easy to shave a bit of the o-ring off putting the seats back in. The o-rings that come with repair kits for pump up type garden sprayers fit perfect if you have trouble locating the right size. There is a guy that frequents this site by the name of Robert Barr that sells o-ring kits.
Click to expand...
thanks for your help i guess its time to go out there and tear her apart again :cry:
 
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