Recent content by gpmck

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    Gas sheen on water while idling

    2010 Mercury 40hp EFI engine. Noticed a gas sheen on the water today while idling at low RPM. I could also smell a strong gasoline odour. I checked all the fuel lines and they are all tight. I think it's coming from the exhaust (incomplete combustion). The motor has less than 30 hours on it and...
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    Throttle and shift cable lubrication

    I have a 2010 Mercury 40hp EFI that has very stiff (to move) shift and throttle cables. The shift cable isn't too bad but the throttle control lever takes quite a bit of force to move to increase the idle speed. The boat and motor has sat for a few years before I bought it recently. I'm...
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    Reverse Tach

    Just purchased a used 2010 pontoon boat with a 2010 Mercury 40 hp EFI (inline 3). Everything is great except the tach rotates in reverse (counterclockwise). I had the marina sumerize it, water test it but they didn't mention the tach. I'm sure it's something simple--I hope. Thanks for your...
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