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1980 750f carbs- Keihin

MIKE R

CB750 New member
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Oshkosh, Wis.
Cycle wrenching is new to me, I have a small hose that comes from the bottom of each float bowl, is this just a vent tube and where did the other end go to on a stock bike?
 
It is a bowl drain for if the carbs over fill it will run out of that hose instead of filling the engine with fuel. Other end just dumps out behind the engine in front of the swingarm.
 
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