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Mercury 6hp 4 stroke not returning to idle


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Hi,

I have just changed my whole carburetor. The engine runs sweet but finding out it does not want to return to idle by itself only if I block the air intake for a few seconds. I am confident the idle is set properly as it idle well once air intake blocked a bit.

Any idea how it can return well to idle by itself? Thanks.

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Check the cables are adjusted properly to allow the wheel that turns the butterfly and lifts the jet to return 100% to rest on its stop.  If in double remove the cables and control the wheel with your fingers. 

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