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Author Topic: CB550 PD carbs leaking issue  (Read 578 times)

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Offline Kcanela

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CB550 PD carbs leaking issue
« on: May 04, 2020, 08:31:31 AM »
Bike: 78’ CB550

Issue: Gas leaking from 1 carb with fuel on.

Question: Do pd carbs have a float valve o ring?

I’ve tried searching online and find everything beside of carbs 🙄
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Offline bryanj

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Re: CB550 PD carbs leaking issue
« Reply #1 on: May 04, 2020, 08:34:13 AM »
More likely float valve needle

From memory the float valve seat is pressed in and not replacable
« Last Edit: May 04, 2020, 08:38:49 AM by bryanj »
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Offline Deltarider

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Re: CB550 PD carbs leaking issue
« Reply #2 on: May 04, 2020, 08:54:43 AM »
I'd first drain the float chamber (petcock closed). Open petcock and tap float chamber with stub end of a screwdriver. Hope possible dirt between valve and needle is freed.
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