Mercury 115 4 Stroke- Bogging Down?

Discussion in 'Boating and Boat Rigging' started by FreeTime, Apr 26, 2018.

  1. FreeTime

    FreeTime

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    I have a 2011 mercury 115 HP four stroke I’m having problems with it ball game down at speed. It will troll all day long but sometimes and only sometimes at increased speed it just does not want to go. Since it was fine at slow speed’s I was thinking it was not getting enough gas and changed both fuel filters but that is not corrected the issue.

    Anyone have any ideas for care to share?

    Thanks in advance
    Dave


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  2. Aaronjeep2

    Aaronjeep2

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  3. bowhunter426

    bowhunter426

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    Check the air filter. If it is foam it is an old version and is likely calling apart and sucking into the engine .
     
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  4. FreeTime

    FreeTime

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    Just pulled it off and does have a hole in it! Large on one side and small on other. It’s very sticky

    [​IMG][​IMG]


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  5. hawgeye

    hawgeye

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    Wow!

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  6. FreeTime

    FreeTime

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    I think I may have found my problem. I should I been opening my eyes instead of typing :)


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  7. hawgeye

    hawgeye

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  8. bowhunter426

    bowhunter426

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    That is your problem. Buy the newest version. It has no foam. Just a mesh screen.
     
  9. FreeTime

    FreeTime

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    Going to get a new one tomorrow morning. Thanks guys


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  10. jampg

    jampg

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    I hope a new filter is all you need. That filter should have held up better than that. Where did all the missing foam end up? I'm a Mercury guy myself and love them. My 03 two stroke just has an air box.
     
  11. bowhunter426

    bowhunter426

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    It will be. That revision filter did not hold up well to gas and oil which is why they fail. The filter chunks once past the throttle body dissolve fast.
     
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  12. Walleyze247

    Walleyze247

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    Do all outboards have air filters? I will have to check my 94 40.
     
  13. bowhunter426

    bowhunter426

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    No. Most don't. Merc uses them to silence the intake
     
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  14. FreeTime

    FreeTime

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    Follow up........
    It’s not the air filter. Ran her yesterday and problem stared out as normal but progressively worse through day. I will be getting into it again tonight. Frustrating one for me.


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