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another petcock problem

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  • another petcock problem

    Well I'm taking apart my kat today because of a fuel leak problem I've been having. I've noticed some fuel spots from the side of my kat when parked and riders telling me they smell fuel leaking so I decided to inspect today. The problem and questions point out to what seems to me a screwed up petcock. The problem i'm having is when I turn the Kat on, under the pet cock there seems to be a hole underneath what I think is called the Diaphram (lthe white plastic part located in undershot of petcock, correct me if I'm wrong please) and it sprays out pretty rapidly wether its on on, res or pri.





    anybody know what the heck is going on and I'm thinking this isn't normal right?
    I've been searching on the site to include the wiki and other petcock problems too and I see CP has a pre rebuild that may help out on a post. would this rebuild be sufficient to fix this prob? or should I buy a new petcock.
    http://www.rollinhardriderz.com
    http://www.myspace.com/hostyle742

    sigpic

  • #2
    I would say look into the rebuild first.
    -2000 "750"

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    • #3
      The pre- rebuild WILL fix your issue...

      From my how to posting thread, you will see the following parts are the same....

      http://katriders.com/vb/showthread.php?p=1703306

      The plastic spacer, and the diaphram that goes around it that controles the stopper for the gas inside the petcock.

      Here you can see me pulling them apart...



      And here you can see them sitting side by side....



      Here is the rebuild part put back in as I'm about to re-install the new...



      The issue you have....

      Your diaphram is torn/pin holes in it... allowing gas past.. the hole is designed to allow it to go somewhere, so that your petcock will still function.

      Krey
      93 750 Kat



      Modified Swingarm, 5.5 GSXR Rear with 180/55 and 520 Chain, 750 to 600 Tail conversion, more to come. Long Term Project build thread http://katriders.com/vb/showthread.php?t=96736

      "I've done this a thousand times before. What could possibly go wron.... Ooops!"

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      • #4
        Thanks for the 411 guys! I've been cutting hoses and replacing all morning. Awesome write up/how to Krey. I freakin love this site.
        looks like I'll be ordering from CP again soon.
        http://www.rollinhardriderz.com
        http://www.myspace.com/hostyle742

        sigpic

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        • #5
          my petcock dosent have a spacer?? is this my problem i have a 89 with a single fuel outlet on the petcock

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          • #6
            Originally posted by mike10562004 View Post
            my petcock dosent have a spacer?? is this my problem i have a 89 with a single fuel outlet on the petcock
            Post a pic. Doesn't sound right to me... but let me check the micro fiche for that year...

            Well, look at that.. 600 and 750 had different petcocks for that year. 89 600 was a single. I've never seen one in person, and the fiche doesn't break it down into parts.

            Krey
            93 750 Kat



            Modified Swingarm, 5.5 GSXR Rear with 180/55 and 520 Chain, 750 to 600 Tail conversion, more to come. Long Term Project build thread http://katriders.com/vb/showthread.php?t=96736

            "I've done this a thousand times before. What could possibly go wron.... Ooops!"

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            • #7
              gottcha well i have 2 petcocks with no spacer so yeah i figure they dont come with them but idk anyone know forsure?

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              • #8
                the 89 was a single and I didn't remember seeing a spacer on that tank when I sold it. Maybe it has something to do with the dual outlets??
                But whosoever shall deny me before men, him will I also deny before my Father which is in heaven. Mat 10:33

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