Spark arrestor on a new Generac

tom_nwnj(z6 NJ)November 1, 2012

Hi, have a new Generac (17.5 Kw) with less than 20 hours. The spark arrestor fell off. It's just a connical screen with a collar. Seems to have had some threads on the collar to hold it to the muffler pipe. The threads are now gone, and probably need a new one.

Question is, on a new 4 stroke gas engine, can I run for 20-30 hours without a spark arrestor? (Seems they are more important for engines with carbon buildup.)

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loger_gw

Please post a picture showing this matter to help toward a suggested repair. IMO, running w/o a spark arrest is a concern when you have possible fire conditions from exhaust sparks (as dry grass and etc in the area).

    Bookmark   November 1, 2012 at 3:44PM
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tom_nwnj(z6 NJ)

Well, here's a pic from Google, looks like the one below. Really just wondering if a spark arrestor is necessary on a new 4-stroke engine. Probably take at least a week to get another one.

Thanks!

    Bookmark   November 2, 2012 at 6:11AM
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tomplum

The spark arrestor itself doesn't affect the runability of the engine. It really does as the name indicates and is there to lessen the chance of fire from tossing a spark from the exhaust. You may be thinking of the practice not to remove a screen from a 2 stroke as some tend to remove them rather than to do proper maintenance or address the cause of the plugging- IE a rich mix or plugged air filter.

    Bookmark   November 2, 2012 at 1:59PM
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