Author Topic: QQ - Float Bowl Vents Mechnical Slides  (Read 378 times)

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Offline RebelYankee

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QQ - Float Bowl Vents Mechnical Slides
« on: June 23, 2014, 05:06:06 PM »
Hi everyone.  I have a 1980 CB650C with mechanical slide carbs.  The bike is running great, but I can hear an airleak on the float bowl vent "t's" between carbs 3&4 and 1&2.  The vent hose just hangs out there and is not connected to the airbox, but when I spray carb cleaner at the "t's" the rpm's change.

So quick question - Are the float bowl vents supposed to have a vacuum?  Is it affecting my air/fuel ratio?

Thanks!

Jamie
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1980 CB650C