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Problems with Mikuni fuel pump

This is a discussion on Problems with Mikuni fuel pump within the Engine forums, part of the Technical category; I installed a high volume vacumn mikuni fuel pump and after running for a short time the valve stuck causing the pump to stop working. ...


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Old 12-03-2010, 11:49 AM
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Problems with Mikuni fuel pump

I installed a high volume vacumn mikuni fuel pump and after running for a short time the valve stuck causing the pump to stop working. I installed another one and it did the same thing after a short time. I am now on my third with very little time on it. Has any one had a similar problem?
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Old 12-03-2010, 12:20 PM
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Dam I just installed that pump after going through 3 electric pumps in a short time. Think I will put the stocker back in. Always goes out at a bad time then you have to run into town from shop to shop. AARRGGHH
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Old 12-03-2010, 02:01 PM
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what valve stuck?
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Old 12-03-2010, 03:32 PM
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the valve that stuck is the little check valve that allows vacumn to go thru
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