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Discussion Starter #1
My 99 sportsman has a intake tube that runs up under the gas tank cover. While in position, the atv starts, idles and runs at very low power. When the tube/hose is removed, it runs like a champ. Any ideas on what makes this happen? Thanks.
 

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Make sure the tube isn't stopped up. I have seen dirt dobbers build a nest in one and enough air will get through to idle but that's about it.


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Thanks, unfortunately, I have already checked the tube, put on a larger tube, and then a larger one than the second. Each time, any air restriction caused the machine to run poor. At the moment, I have built a tray to keep most mud and water from getting to the intake and place a fine mesh screen as filtering....... But it's running great.
 
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