« Reply #1 on: April 01, 2006, 01:14:15 PM »
The 77-78 carbs have two up facing nipples. The larger one is fuel inlet the smaller one is a bowl vent tube.
Cheers,

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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.