CBR 600F2 1991 - 1994 CBR 600F2

Gas tank connections. Where does it go?

  #1  
Old 04-09-2014, 06:26 PM
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Default Gas tank connections. Where does it go?

Hey, So i was wondering why my tank was leaking with a full tank of gas.
And yes, it leaked out almost the full tank until I got back to my garage and put a container under my gas tank. But wondering where this connects to. At the moment, I just plugged it with a little rubber cover so nothing leaks. Where does it go? and why? its a little frustrating not knowing

Thanks,
Tom
 
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  #2  
Old 04-09-2014, 07:11 PM
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That would be the overflow if I'm not mistaken. The other is a vent. They go down below the frame. They don't connect to anything. However you shouldn't be losing all your gas out of it
 
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Old 04-09-2014, 07:14 PM
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Over flow from gas fill area run a line down and tie off behind rear brake
Other one is the tank breather tube that prevents vacuum building in the
tank
 
  #4  
Old 04-09-2014, 07:32 PM
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ok, so i know the bigger one from the petcock goes to the carbs, then the other small one goes to the first carb correct? yea for some reason gas drips through there i circled when i fill it up fully... its weird. Hopefully I will not need a new tank. Would plugging it up affect flow of gas to the carbs?
 
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Old 04-09-2014, 07:52 PM
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plugging the big one no , plug the little one and the tank will be vac locked no gas to
carbs
 
  #6  
Old 04-09-2014, 07:55 PM
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awesome, i covered up the big one with a little rubber cap/cover. and the small one is run down with a rubber hose.

thanks man
 
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Old 04-09-2014, 08:54 PM
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If fuel is coming out the overflow, maybe you don't have a good seal between the gas cap and tank. If you cap it, when it rains or you wash your bike I would think the water might get into the tank.
 
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Old 04-09-2014, 08:54 PM
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The large one should only leak when your totally full or leaning. Its for when you overfill.
 
  #9  
Old 04-10-2014, 12:27 AM
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what do you mean? ill check the gas cap tommrow, as of now i finally got it running thankfully. rode around a little bit but still every so once in a while if i punch it it bogs at high rpms, i did it in first gear it did not bog but then in 2nd in did, but i did it again in 1st gear and it did bog a little bit. like as if its losing power at high rpms. im thinking vance and hines power pak or carb clean most likely
 
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