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My 80 Gs550 just started leaking gas out the bottom where the two exhaust meet. I thought it was possibly a stuck float, did the screw driver trick, but got no results. I now assume it is the petcock. I can see gas going down the tube going into carb #2 while the bike is running. I'm assuming this is flooding the cylinder and thats why there is gas in my exhaust. Anyone else have this problem? Any help is appreciated. Thanks alot!
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Yes, sounds like the petcock.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection -
How difficult is it to replace the petcock? Do i just pull the tank, unbolt it and reconnect the fuel lines? Thanks for your quick response. This site is awesome!Comment
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Changing the petcock is a minor task in the grand scheme. Easier for example than performing a valve adjustment, which I certainly hope you are performing.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-ResurrectionComment
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If you've had fuel running through to the exhaust system, you will want to change your oil, because some fuel (often lots!) will have seeped past the piston rings and into the sump. This is not good for the oil's lubrication qualities, overfills your sump, and creates explosive vapours in your crankcase...
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There should not be a hose running just to carb #2. The gas feed line goes to a "T" between carbs 2 and 3.Originally posted by alexGS550 View Post
The only hose that goes from the petcock to #2 is the VACUUM line that turns on the petcock.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
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(Click on my username in the upper-left corner for e-mail info.)Comment
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If/when you replace the petcock, follow a few simple guidelines:
Get an exact replacement (OEM) with the vacuum fitting. It will work another 30 years, so amortize the expense over that time period.
Get all the gaskets/o-rings that go with it and replace them at the same time. The 30 year time period applies here as well.
Best of luck.Comment
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Would this one work? http://item.mobileweb.ebay.com/viewi...id=28674377345 I tried calling a Suzuki dealer but got no help.Comment
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A friend of mine has an 83 gs750 and he has an extra petcock. Would this one fit or is it not interchangeable?Comment
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