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Thread: Carb question

  1. #1
    BiXLL's Avatar
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    Carb question

    OK, I am really baffled now! My 98 SLTH was not running right. I decided to check my reed valves (found 1 pedal completely broke off) as I noticed it spitting gas up out of top of carbs with air box out when I hit throttle. Someone had told me to check my high speed screw prior to that, so while I had cargbs out I decided to. Here is what I found. Am I missing something here, both carbs are the same!!!

    To me it looks like I am missing the high speed, but I would not think it would run at all with them just gone?????????



  2. #2
    BiXLL's Avatar
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    9 reads and no replies, did I do something to make you guys mad at me?

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    Bill if I knew I'd be glad to help but I have only a blue 750. If I had to ponder a guess, I'd saythey are like my 75 mariner outboard which are jetted and not adjustable. I know this won't help but at least you know we are'nt mad with ya.

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    BiXLL's Avatar
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    Thanks man, I feel better!!! LOL I am still in shock not seeing anything in the high spped holes though!

  5. #5
    BiXLL's Avatar
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    Quote Originally Posted by 1stpolaris View Post
    Bill if I knew I'd be glad to help but I have only a blue 750. If I had to ponder a guess, I'd saythey are like my 75 mariner outboard which are jetted and not adjustable. I know this won't help but at least you know we are'nt mad with ya.
    You hit, I just found this
    1998
    700 - Low Speed – 1-7/8
    High Speed – not adjustable

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    Well now we both feel better. I guess even a blind squirrel finds an acorn sometime.

  7. #7
    casey67's Avatar
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    For some reason the Polaris manual shows high speed screws in the dissassembly/reassembly/adjustment.

    From what I've seen only a couple pwc have the high screws. 96 SL700 has them.
    If there isn't an adjustment spec for them,than you don't have them.

  8. #8
    la90043's Avatar
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    your boat has keihin carbs. and you have just one adjustment on it. you have one adjusting screw only.

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