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93 cbr 600 f2-- help!!!!

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Old Mar 26, 2014 | 10:03 PM
  #1  
tlis18's Avatar
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Default 93 cbr 600 f2-- help!!!!

so my diaphragm slide in my carb ripped so I replaced it. I put the carb back on and it took a good hour for me to finally get the bike running but gas is coming out of the bottom of the carb pretty good. there's spouts on the bottom. 2 on each carb so 8 total and there's gas dripping from EVERY SINGLE ONE even with my bike off. any suggestions?
 
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Old Mar 27, 2014 | 05:10 PM
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One spout is a drain and the other is probably an overflow. You shouldn't have a leak from the drain unless you forgot to tighten them, they aren't known to leak. Gas can run down and drip from there because it's the lowest point, however.

Did you open the bowls when you replaced the diaphragm? If so how did the seals look? A bowl seal leak will drip from the bottom.

It's also possible that you have sticky needles and it's flooding causing gas to run out of the overflow. However I think that is unlikely because all 4 carbs are leaking.

Either way you would have to remove them to find out.
 
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Old Mar 28, 2014 | 05:09 AM
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+1 to the above, a carb strip and investigate,
 
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Old Mar 28, 2014 | 06:15 AM
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I just had a similar situation, in my case the culprit was the O-rings in the T-couplings in the fuel line that go between carbs 1-2 and 3-4. If you still get leaking even if your engine is not running it might be that your petcock vacuum valve is shot too.
 
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