I've been fighting carb/fuel system problems for some time now. I cleaned the tank (vinegar) and fuel petcock. Looks like I might not have rinsed the tank enough. Look what I found in the float bowls. They cleaned out ok in my ultrasonic tank with Simple Green Pro HD (purple stuff). In the process I found that the float on one carb had leaks. I dried it out and soldered the holes. See the pictures. I think my problems started by not running my 350 very much. It sat for quite a few months. The gas turned bad. I have 3 working bikes and the bigger ones seem to always get to go somewhere while the 350 sits. I guess the lesson is to run them more often. Hope this is useful info. Wasn't a problem when I only had one bike One of my other bikes is a CBX. I'd hate to have to pull 6 carbs and do this work!
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