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Sticky fuel pin

Was having probs with lean running gen so took carb apart and cleaned and adjusted float level up. When testing float and pin operation noticed that pin didnt always free fall with gravity..needed a little shake. Made sure pin was clean and q tipped seat. Is that a problem or does it need fuel flow as lube to keep the pin moving freely.

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  • jay-bee62 Feb 15, 2009

    needle appears to be working ok with fuel connected; i still need to bend tang a little more to get fuel level / mixture just right. thks for the info..jb

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By pin I am guessing you are describing the needle? Some carbs have a small tang on the float that connects the needle to the float with a small wire spring while others just push against each other. I would take the carb off the engine and hook up a fuel hose with a small bottle that is higher than the carb and with the bowl off manipulate the float up and down and be sure the fuel flows freely when the float drops and frees the needle. If this does not happen-try more cleaning but a new carb may be necessary.

Posted on Feb 03, 2009

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