Quote Originally Posted by Bill1584 View Post
It's been many years since my Suzuki GS750 days, so please forgive me if the following has no bearing on your carbs. If the carbs have fuel bowls, they will have a float and a needle valve to regulate flow. Excess flow would overflow through the tubes. If this is the case for your carbs, have you checked the floats and valves? Just a tiny bit of crud on the valve will cause it to stay slightly open. Also, your floats need to float in gasolene.... Again, I do not recall whether this even applies to the mikuni or mikuni style carbs of the day.
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