Restoration of 1964 Johnson JH 19A

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  • Monte NZ

    International Member - 2 Years
    Replies: 159
    Topics: 47
    #246899

    Hi All
    Is there any need to replace the missing metal screen between the air intake and the front of the carburetor on the above?

    Thanks in advance
    Monte NZ


    Mumbles

    Canada Member - 2 Years
    Replies: 5171
    Topics: 276
    #246905

    I’ve ran these motors without it and they seemed to run OK but I’ve heard it should be installed for best results. Some refer to it as a spark arrestor while others say it affects the air flow into the carb somehow. Not sure.


    Rusted Junk

    US Member - 1 Year
    Replies: 68
    Topics: 18
    #246909

    I did a carb rebuild ,tune up and impeller on a Johnson JW 3 HP 1960 motor, the screen was missing. I ran the motor without the screen and it preformed nicely, I had a screen in my collection of parts so decided to try it, I noticed that the motor idled down a little better and the throttle response was a little crisper and smoother as you throttled up. It wasn’t a huge difference but noticeable to me. Those little screens are not cheap, I have seen them for $25 on Evil Bay.

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