CBR 600F2 1991 - 1994 CBR 600F2

Fuel coming out of carb breather tube???

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Old 01-31-2008, 05:48 PM
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Default Fuel coming out of carb breather tube???

Well I got the bike's electrical issues sorted out, now I have problem number 2.
The bike had layed on it's side for a while when crashed and now I can't get it running constantly. When turning over the engine fuel is coming out of the breather tube behind the carbs, the tube on the left hand side of the carbs? Anyone know why this is happening?
Also there was alot of fuel in the exhaust coming from the connector box?

I did manage to get it started although pretty rough on 3 cylinders. Could this be due to a sticking float in the carb or spark plug fouling? All your help appreciated in advance.
 
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Old 01-31-2008, 06:02 PM
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Default RE: Fuel coming out of carb breather tube???

A stuck float will cause fouling plugs.


Also there was alot of fuel in the exhaust coming from the connector box?
?



Post a pic with you pointing out which tube the fuel is coming from.This is like giving a haircut over the phone.
 
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Old 01-31-2008, 06:35 PM
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Default RE: Fuel coming out of carb breather tube???

The fuel is coming out of the left hand breather tube. When the bike was running although lumpy then stalled on choke, I felt themanifold pipes for heat and the 2nd to left pipe was cold.
 
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Old 02-01-2008, 01:52 PM
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Default RE: Fuel coming out of carb breather tube???

I think you should do a carb clean....that would probably fix it. if it was laying down could have stuck float boal, needle, jets...could be a number of things...i would think for fuel to come from a breather tube you would have a blockage though...
 
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Old 02-02-2008, 05:06 PM
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Default RE: Fuel coming out of carb breather tube???

Sorted once again, the last owner must have been real dumb! [:@]Took the plugs out to replace with new ones only to find that he had the HT leads not in the right order. So what caused the carb breatherto overflow was flooding because it would not start, only cylinder 1,3 & 4! I did take the float bowls off to give the jets a clean and now the bike runs sweet as a nut first click of the starter. Again thanks for all your help.
 
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Old 02-03-2008, 10:23 AM
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Default RE: Fuel coming out of carb breather tube???

If the spark is not timed with the gas evap,the cylinder will flood.Surprised it didn't hydro-lock on you.That can be nasty.
 
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