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  1. Join Date
    May 2009
    Posts
    1,990
    #3
    me no expert on carbs pero afaik the second throttle plate ay konektado sa first. btw, yung throttle plate ang bumubukas. yung venturi is a restriction which is not "movable". namiss ko tuloy yung boxtype namin na sinubukan kong baklasin ang carb nung high school ako....hehehe hindi ko naibalik ng maayos napagalitan tuloy ke erpats.

    maybe i can be of help, eto ang mga "quick carburetor checks" by the book:
    1. float level adjustment - air cleaner removed and engine idling, if fuel dribbles from main jet float level is high
    2. low speed and idle system - increase speed slowly, if runs rough low speed circuit is malfunctioning
    3. accelerator pump circuit - engine off, open throttle. fuel must discharge.
    4. main jet circuit - engine at approx 2,500 rpm, slowly cover air intake. engine should speed up.

    try mo muna linisin with carb cleaners or wd40.
    Last edited by miked; September 23rd, 2012 at 08:34 PM.

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4k engine carburetor