Hello everyone! This is my first posting, but I've been watching this forum since I purchase my 89 3ma last summer. Left carb won't stop over flowing. (Problem didn't show up till this season). Replaced needle seat o-rings, adjusted float height the whole nine yards. Will not leak when bench testing them, but will start after about 5 to 10 miles of riding. Has anyone ran into the floats becoming fuel saturated and heavy. Also is there a source for the petcock rubber (seal with the four holes) for the on/off/prime selector. Thank you all very much!