CBR 600F4 1999 - 2000 Honda CBR 600F4 Forum

2000 cbr600f4 flooding

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Old 04-27-2019, 08:16 PM
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Default 2000 cbr600f4 flooding

So my cbr started to run really rich and died at idle so i took off the tank, air box lid and I seen fuel around the carb openings. I got it running although it ran rough I could see fuel spitting out the back of the carbs so I turned the bike off and I could hear and see fuel under pressure coming out of what looks like to me as one of the air bleeds? Any ideas?

Edit; this happens to all four carbs.
 

Last edited by cbrduc; 04-27-2019 at 08:18 PM.
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Old 04-28-2019, 12:54 AM
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I would take the carbs off and give them a clean, also check the fuel tank for debris inside , could be that your float needles aren't seating
 
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Old 04-28-2019, 06:47 AM
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Why isnt the fuel filter catching the debris?


Originally Posted by CaBaRet
I would take the carbs off and give them a clean, also check the fuel tank for debris inside , could be that your float needles aren't seating
 
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Old 04-28-2019, 07:10 AM
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It does the best it can, but particles can build up in the system and block the float needles
 
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Old 04-28-2019, 12:06 PM
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Originally Posted by CaBaRet
It does the best it can, but particles can build up in the system and block the float needles
Then it is time to remove/clean the tank/carbs and start all over. Maybe i will try the white vinegar in the tank and soak for two days.
 
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Old 05-02-2019, 06:17 PM
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Default Carbs


WTF? MORE DEAD FLYS!

Dead flys inside the vacuum chamber
Originally Posted by CaBaRet
It does the best it can, but particles can build up in the system and block the float needles
 
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Old 05-02-2019, 06:20 PM
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Default Carbs


Fuel was coming out of here even after i cleaned the carbs this was still happening. fuel was being dumped into the engine thru this orifice.
 
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Old 05-02-2019, 06:27 PM
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This hose does not go here!!!! It goes to the front of the air box, I fu#$d up and had it connected to the carb venting tee connector!! There is crankcase pressure from this hose! It was pressurizing the bowls!! Lesson learned.
 
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Old 05-02-2019, 06:30 PM
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Now if only i can figure out where this goes? I dont see it anywhere in the factory assembly manual. It comes from that stupid emissions valve just ahead if my hand in the pic
 
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Old 05-02-2019, 08:27 PM
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I don't have that model but it looks like it might be the TPS connector.
 


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