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  1. #1

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    stripped screw in carb

    Any suggestions how to get these bad boys out and how to replace them? I stripped them on both carbs on my GP760. I put a box around the screws; they are not stripped in picture as I took this picture before it happened.

    I looked online for OEM replacement screws they want $20 for 4 of them. Any suggestions as to what might be cheaper and work fine?
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  2. #2
    mudslanger's Avatar
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    You can take a 1/4 drive extension and hammer and light tap the screws then take a #2 bit in a impact screw driver to get them our.

  3. #3
    I think i have 2 screws

  4. #4
    Moderator OsideBill's Avatar
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    Good #2 screwdirver and tap with a hammer while turning.

  5. #5
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    "good" screwdriver iis a must..and no kidding either. I use a mac tools 3/8 bit screwdriver w/#2 bit ( #3 for Yamaha electric box screws) and I'm not shy about rapping it ( make sure the carb is correctly supported. You might have better luck with one or the other, but after one comes out the other should follow without much pain.

    ANY screw on a carb body is pricey(not compared to the entire carb or the amount of time you spend honking around with it)

  6. #6
    Moderator OsideBill's Avatar
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    After going through several screwdrivers, I now only use "Wiha" brand. Quality is second to none on these, they are German made.

  7. #7
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    good looking at prices that won't make me cringe if I drop one in a hull and it goes thru the black hole that is at the bottom of every jetski hull and ends up in somebodies bargain bin at a garage sale. Sometimes I'll find the back side of the black hole and pick up some nice stufff on the cheap.

    A proper fitting screwdriver ( even a inexpensive one) will do the job

  8. #8
    krispaintballz's Avatar
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    I like to use a drill/driver with a #2 irwin. It is the 2x the strength one. It works for me. Also if you get to the point that they strip out drill the head off of the screw, take the leverarm off from the N&S and pull the kidney bean fuel valve assembly out. Then with a needle nose unscrew the rest of the screw by gripping the shaft of the screw. They should unscrew really easy because the fuel valve assembly is not pressing against it.


    Those screws are a 4mm and the length I think is a 14. I can only find lengths in 12 or 16 or 18. Dont take me for granted on the length. But I buy the stainless longer ones, put a nut on it sand it down and back the nut off. A lot of work and prob not the right way but I can get a bag of 50 for 2.00 and it works.

  9. #9

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    Is this what you mean by the "kidney bean fuel valve" ?
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  10. #10
    krispaintballz's Avatar
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    Quote Originally Posted by chuckcanavi View Post
    Is this what you mean by the "kidney bean fuel valve" ?


    The true name is called a vlave body assembly. I circled it in red.
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