Briggs backfiring

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Thread: Briggs backfiring

  1. #1
    Join Date
    Dec 2011
    Location
    Mississippi
    Posts
    214

    Briggs backfiring

    I have 20 hrs on my 16 hp Briggs in my max2 any sometimes when turn the engine off it won't to backfire. Had the same motor in my 1999 Argo and never had this problem any ideas

  2. #2
    Join Date
    Oct 2009
    Location
    Rock Tavern,New York
    Posts
    129
    is your idle set too high?

  3. #3
    Join Date
    Dec 2011
    Location
    Mississippi
    Posts
    214
    Actually it's very low. If it stays idling for a period of time it will go dead by it's self. But I like it like that because it makes it easier on the transmission when shifting from forward to reverse.

  4. #4
    Join Date
    May 2007
    Location
    Kings Mountain, NC
    Posts
    7,788
    It's fairly common. If it is running fine then don't worry about it. If you want to avoid the backfire, let it idle for a couple of seconds and when when you turn the ignition off, immediately give the engine full throttle. If that doesn't work pump the throttle while shutting it off.

  5. #5
    Join Date
    Jun 2007
    Location
    Buffalo, NY
    Posts
    6,442
    Mike is absolutely right. The Briggs I have do the same thing. It's nothing to worry about, just the nature of the beast. The later model Briggs have a solenoid in the carburetor to prevent/reduce the backfiring.
    "Looks like you have a problem with your 4 wheeler........you're missin' two wheels there"

  6. #6
    Join Date
    Dec 2011
    Location
    Mississippi
    Posts
    214
    I can remember the old 18 hp Briggs in my grandpas hustler sounded like a cannon but I thought they had fixed it. Don't ever remember the 99 Argo ever doing it but the max is doing it some not nothing like the old hustler though.

  7. #7
    Join Date
    Dec 2008
    Location
    Central Missouri
    Posts
    177
    Mine does it too. I guess some call it afterfire and say its from fuel being pulled into the hot exhaust after spark/coil has been grounded. Aggravates the tar out a me but I've had some luck with the methods others have mentioned here.
    1984 Hustler 980 and some other toys that won't even swim.

  8. #8
    Join Date
    Nov 2009
    Location
    Wilimington, IL
    Posts
    22
    Your carb. is set to rich try leaning it out, and I bet your idle will come up alittle.

  9. #9
    Join Date
    Jan 2012
    Location
    CANADA
    Posts
    3
    Hey guys,can someone help me out with this ?..my 16 h vanguard is having carb problems,had it cleaned and replaced gasket,new fuel filter,plugs hole tune up..was running great but sometimes will only run with choke on when driving it..when chokes off,,it starves for gas..and bogs when u rev it..thanks..

  10. #10
    Join Date
    Jun 2007
    Location
    Buffalo, NY
    Posts
    6,442
    Check to see if there are any small cracks in the fuel line or anywhere else that air may be leaking in......this would cause it to run too lean and need to have the choke on to run properly. It happened on my friend's Max IV with an 18HP Vanguard and we fixed the fuel line and it was as good as new.
    "Looks like you have a problem with your 4 wheeler........you're missin' two wheels there"

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