16 horse vanguard black adjustment knob

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Thread: 16 horse vanguard black adjustment knob

  1. #1
    Join Date
    Jan 2015
    Location
    Dallas, Texas
    Posts
    178

    16 horse vanguard black adjustment knob

    Just swapped a 16 horse vanguard onto my max. As I was cleaning the carburetor, I noticed a small black knob on protruding from the side of the carb ( same side as the pull rope). It turns about 90 degrees. What is it?
    Meep Meep

  2. #2
    Join Date
    May 2010
    Location
    Fairbanks AK
    Posts
    1,456
    Idle air fuel adjustment cap. It's set at factory and capped with the limit only adjustable a small amount. Most run best at the stop turned counterclockwise.

  3. #3
    Join Date
    Mar 2016
    Location
    Carrying Place Ontario Canada
    Posts
    14
    Just cleaned my carb on 16hp Briggs. Played with the throttle adjustment for a while to get it to idle low enough so it wouldn't grind when switching gears. Finally decided to try that black adjustment knob and after a few settings found that full counter clockwise my machine runs like a top. Can get it to idle super low rpm now.

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