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  1. #1
    Water4fire's Avatar
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    carb diaphram question?

    Guys I have a set of Ultra 150 carbs apart and done it a few times, but This diaphram in one of the carbs is just not bounceing back like the other two. it is very nice and pliable and not stiff at all, but it just doesnt have the same bounce or spring as the other two as stated. I know they just keep the gas in the carbs so they wont leak like a street carb. Just never seen this before.

    Thoughts please.


  2. #2
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    It could be stretched

  3. #3
    Water4fire's Avatar
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    Quote Originally Posted by BryanP View Post
    It could be stretched
    Yes, But is it a issue as long as its not brittle. I mean it is nice and new feals great, just doesn't spring back to its perfect form. This was the carb that collected the oil from sitting a long time and it was in the diaphram were the gas ofcoarse normally is.

  4. #4
    Myself's Avatar
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    Normally it's not an issue. You will want to check the popoff and make sure all 3 are the same. Usually I have to adjust the front carb a little.

  5. #5
    Water4fire's Avatar
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    Thanks for the heads up. I will check pop off. Guess I remove the dust from it and bring it out of the tool box.

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