Gas leaking front of bike near exhaust

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  • portdave
    Forum Mentor
    Past Site Supporter
    • Jun 2008
    • 844
    • Rockledge, Florida
    #1

    Gas leaking front of bike near exhaust

    I have a real perplexing issue. 81 850. Just rebuilt the carbs for the second time. Dipped them 24 hours. Replaced all the orings. Checked each fuel inlet valve seat and tested the fuel flow on each carb on the workbench before putting it all back together.

    Just fired it up via an auxilliary tank...only about 1/4 pint of gas. Then I was checking the exaust temps to make sure they were all firing and I noticed the gas leaking down the front of the engine in between 2 and 3. This happenned the first time also. It does not look or smell like oil

    I was gonna try and redo another set of carbs but I wanted to see what you guys thought. This is really strange. Thanks.
    David
    1998 Suzuki Bandit
    1978 GS750 gone but not forgotten
    1978 GS1000 - gone
    1981 GS850 - gone
    Tags: None
    • Redman
      Forum LongTimer
      Past Site Supporter
      • Mar 2004
      • 13717
      • Michigan, west Michigan
      #2
      Gas?

      G A S ?

      How about oil.
      Oil from the tach drive unit, I suspect.

      Or maybe the cam cover gasket.

      .
      http://webpages.charter.net/ddvrnr/GS850_1100_Emblems.jpg
      Had 850G for 14 years. Now have GK since 2005.
      GK at IndyMotoGP Suzuki Display... ... GK on GSResources Page ... ... Euro Trash Ego Machine .. ..3 mo'cykls.... update 2 mocykl


      https://imgur.com/YTMtgq4

        Comment

        • Agemax
          Forum Guru
          • Apr 2008
          • 8371
          • plymouth uk
          #3
          i cant see how it can be gas leaking from the front of the engine?
          1978 GS1085.

          Just remember, an opinion without 3.14 is just an onion!

            Comment

            • portdave
              Forum Mentor
              Past Site Supporter
              • Jun 2008
              • 844
              • Rockledge, Florida
              #4
              I know it doesnt make sense to be gas but it starts right after I run it for a few minutes. I wiped it with a rag and it smells like gas. It is clear on the rag with just a slight dirtiness from running down the engine block. Seems to be coming from the exhaust. I dont understand it. It is not oil from the tach or the valve cover.
              David
              1998 Suzuki Bandit
              1978 GS750 gone but not forgotten
              1978 GS1000 - gone
              1981 GS850 - gone

                Comment

                • Agemax
                  Forum Guru
                  • Apr 2008
                  • 8371
                  • plymouth uk
                  #5
                  where on the engine does it appear. top, middle (head gasket area), where is the aux. fuel tank hanging from.....is it leaking from there?
                  is it just a few drops or is it constant trickle, or gushing out?
                  can you show us some pics?
                  1978 GS1085.

                  Just remember, an opinion without 3.14 is just an onion!

                    Comment

                    • portdave
                      Forum Mentor
                      Past Site Supporter
                      • Jun 2008
                      • 844
                      • Rockledge, Florida
                      #6
                      I am gonna try and take some pics. It seems to be coming from near the exhaust collars. Not a gushing but more than a few drops. Thanks. This has me baffled.
                      David
                      1998 Suzuki Bandit
                      1978 GS750 gone but not forgotten
                      1978 GS1000 - gone
                      1981 GS850 - gone

                        Comment

                        • Guest
                          #7
                          Gas in the crankcase?

                            Comment

                            • portdave
                              Forum Mentor
                              Past Site Supporter
                              • Jun 2008
                              • 844
                              • Rockledge, Florida
                              #8
                              Hey Rick.....I just changed the oil and I am getting this gas using an auxiliary tank.
                              I had to come in for the night but I am going to try it again and then take better pics. I just got a good spotlight down from the attic. Remember to come on over to the coast sometime. Let me know if you need any parts.
                              David
                              1998 Suzuki Bandit
                              1978 GS750 gone but not forgotten
                              1978 GS1000 - gone
                              1981 GS850 - gone

                                Comment

                                • Guest
                                  #9
                                  I will Dave. Just haven't made it down there. I was in Titusville a couple of weekends ago to look at that black and blue 750ex that was going for cheap. I used to go down there every weekend on the intercoastal fishing. Could it be forces from the Triangle? lol

                                    Comment

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