Ok, turning the mix screw worked, but why? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 2 (permalink) Old 09-14-2008, 08:21 PM Thread Starter
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Question Ok, turning the mix screw worked, but why?

The popping stopped for me at about 2 .5 turns. But if the problem is unburnt fuel making it's way to the pipes, then why does turning the screw out (CCW), and adding fuel to the mixture make it stop?

I would have thought that to stop the popping would have required reducing the amount of fuel to the mix... not increasing it. Can anyone explain what's actually happening in there?

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Pete in Gaithersburg, MD

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post #2 of 2 (permalink) Old 09-14-2008, 10:36 PM
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Looking at your other post, you mention you blocked the reed valves. This is what made the difference, not just turning the air screw.


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