CBR 600F3 1995 - 1998 CBR 600F3 Forum

No gas at choke

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Old 04-04-2011, 09:52 AM
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Question No gas at choke

I have one last issue i need cleared up.. I can start bike by spaying gas in carbs and after it warms up i can just tap the start button and it will fire up great. But next day when engine is.cold i have repeat to fire up again. I k ow my. Choke is not letting gas in becuase i crank it while watching choke gas outlet and. Nothing comes out. My question is what jets do i have to clean to clear this up. Thanks for the help. And im this close to getting ready to ride daily. With all yall help thanks!!!
 
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Old 04-04-2011, 11:58 AM
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clean carbs
 
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Old 04-04-2011, 01:57 PM
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Ive cleaned them about 5 times in 2 weeks. But what do i have to focus my cleaning on to get gas to come out of choke ports ? Bike runs good at all rpms and idles without ever dying . I know i missed something but what? Thanks guys!!!
 
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Old 04-04-2011, 09:26 PM
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There are small passages for the choke circuit. they are the humps on the bottom of the float bowl. I dont have a pic handy, but you may need to check those first. also, you may want to pull the choke needles out and clean inside there if you havent done so in your previous cleanings.
 
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Old 04-04-2011, 09:58 PM
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How long has the bike been sitting?

Make sure you also connected the line for choke.
 

Last edited by kerosene; 04-04-2011 at 10:18 PM.
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Old 04-04-2011, 10:17 PM
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Have you at all messed with the idle speed since you started having these problems?
 
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Old 04-05-2011, 10:03 AM
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Yes i have adjusted the idle cable, or do you mean idle screws (pilot) im about 2 turns out. I took out all choke needles and can get some carb spay through the starter jet , the non removeble one, but not alot. Could air tubes be clogged? When i bought it the guy had it running on choke but it was my first bike so i didnt have a clue. This was probable a problem he had but failed to tell me. What all make gas pump out of choke? Should i get some new carbs? This is my only issue on the bike that i need to get riding. If i start it with gas in carbs itll start up all day. Thanks for the help!!!
 
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Old 04-05-2011, 10:20 AM
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Choke doesn't have jets, they are passages, you can spray them out with carb cleaner and air too.

You don't need new carbs mate, just a real cleaning.
 
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Old 04-05-2011, 11:25 AM
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I mean the idle screw attached to the cable that you can adjust without taking your bike apart.
 
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Old 04-05-2011, 11:32 AM
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Yes ive turn the **** to adjust rpms
 


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