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I have a mikuni and when I bought the bike, I had idle mixture problems several times whereby the bike starts to idle

poorly.  The problem is that deposits build up from the gas where the idle mixture is bled into the main circuit.


The cause was due to the bike being stored previously.


The solution I finally figured out was to take out ther idle screw (not the carb which I did a few times), inject carb cleaner

into the idle passage several times over a few minutes, then blow out idle passage with air.


I am not sure what fluid is in your ultra sonic cleaner, but suggest you try the above!


Dennis

Vancouver


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