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Thread: Air filter search for B&S 35hp

  1. #9
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    Default Re: Air filter search for B&S 35hp

    My experience with K&N's is "wet filter=dead engine", albeit this is from Rotax's, when replaced with foam type filters the problem goes away.



    Ian

  2. #10
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    Default Re: Air filter search for B&S 35hp

    The key is to duct your intake air from a protected place,ie. under a proper cover. Leaving your filter in the potentially damp airflow to your fan or prop is just asking for trouble.

    Whereas racing craft often have little protection over the engines, there is no excuse on a crusing craft.

    I never had any problen with the paper filter when I used a BMW K75 and as I said, my Briggs filter is drawing from clean dry air under the under cover. Also if your craft is well designed and driven properly you should have very little spray anyway.


  3. #11
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    Default Re: Air filter search for B&S 35hp

    There is much good advice on air filters in this thread. The only thing I would add is to use plastic frame/mesh type air filter cartridges - the ones with metal meshes tend to rust badly in a salt water environment and engines don't like breathing bits of rusty metal!

  4. #12
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    Default Re: Air filter search for B&S 35hp

    Here's a pic of my air filter location (minus engine cover)



    [img]index.php?t=getfile&id=1753&private=0[/img]
    Attached Images Attached Images

  5. #13
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    Default Re: Air filter search for B&S 35hp

    anyone know service details

    plug gap

    tappet settings

    ps renault 4 oil filter half price and same as bs original

    chees gaz

  6. #14
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    Default Re: Air filter search for B&S 35hp

    Thanks for all the good advice given.



    I will organise a sheltered intake I think similar to this pic.



    Paul

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