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Author Topic: CB550k - carb fuel leak?  (Read 464 times)

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Offline 1977_cb550k

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CB550k - carb fuel leak?
« on: May 26, 2018, 03:09:03 PM »
Yesterday I adjusted my clutch cable and went for a short ride to test it.
Noticed fuel running from carb overflow tubes.
Looked like clutch cable (when pulled in) had slightly unseated rubber boots from the carbs to the air box.
Refitted boots but problem remains with fuel running from tubes when peacock open.
Any ideas? Suggestions?
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1977 CB550k3

Offline hsas.69

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Re: CB550k - carb fuel leak?
« Reply #1 on: May 26, 2018, 03:10:21 PM »
Float stuck most likely. Bowls are too full and running over.

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78 CB750 F3
78 CB550 K4

Offline 1977_cb550k

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Re: CB550k - carb fuel leak?
« Reply #2 on: May 26, 2018, 03:15:14 PM »
Thanks. Do I just go ahead and inspect each float and reassemble?
(I’m a novice)
Any cautions or watch outs? Anyone know a good video tutorial?
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1977 CB550k3

Offline hsas.69

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Re: CB550k - carb fuel leak?
« Reply #3 on: May 26, 2018, 03:19:03 PM »
You can try tapping gently on the leaking carb bowl. Sometimes that will free them up. Otherwise pull the float bowl off.

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78 CB750 F3
78 CB550 K4

Offline 1977_cb550k

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Re: CB550k - carb fuel leak?
« Reply #4 on: May 28, 2018, 05:32:43 AM »
Thanks. A technical tap seemed to work. Appreciate your help!

Cleared the float bowls anyway and there was a bit of gunk in the fuel that came out. 
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1977 CB550k3
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