« Reply #4 on: October 07, 2013, 02:32:31 PM »
That small tube feeds the top of each every carb bowl. It supplies atmospheric pressure so all the jet will feed fuel into the carb throats. Air AND debris can get there. A long tube attached to it minimizes contamination.
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Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100
Those that learn from history are doomed to repeat it by those that don't learn from history.
