Yamaha - Float chamber assy - 6P2-14180-51-00Yamaha Float Chamber Assembly Carburetor Fuel Control Component 6P2 14180 51 00 Overview The float chamber is where your fuel system really settles down and does its job. Ive worked on plenty of carbureted Yamahas where rough idle or hesitation came back to issues inside this housing. When its clean and functioning right, fuel levels stay steady and the engine runs smooth without surging. Its not flashy, but its one of the key pieces that keeps your