air/fuel mix screw - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 16 (permalink) Old 03-13-2012, 07:22 AM Thread Starter
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air/fuel mix screw

CAn somebody post a pic or a link that shows me this screw..i just can seem to pin it down

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post #2 of 16 (permalink) Old 03-13-2012, 07:33 AM
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Can somebody post a pic or a link that shows me this screw..i just can seem to pin it down

Here ya go....you may need to remove the plug first...be careful.

Last edited by VoIPDoc; 07-21-2012 at 04:14 PM.
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post #3 of 16 (permalink) Old 03-13-2012, 01:13 PM Thread Starter
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found 'em.. and the caps are off so access is no issue.. what's the direction for the mix?? which way leans and richens the mix

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post #4 of 16 (permalink) Old 03-13-2012, 01:27 PM
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found 'em.. and the caps are off so access is no issue.. what's the direction for the mix?? which way leans and richens the mix
I am not sure what your set up is, but turn them in all the way to bottom the screw out, and then turn them out about 2 1/2 turns generally works for starting point.

turning them out will make it more "rich".
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post #5 of 16 (permalink) Old 03-13-2012, 01:50 PM Thread Starter
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ok.. i'm also trying to remember if youre getting the blue-ing of the pipes just after the exhaust manifold.. is it too lean or oo rich

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post #6 of 16 (permalink) Old 03-13-2012, 01:53 PM
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Too lean is the primary cause of bluing.
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post #7 of 16 (permalink) Old 03-13-2012, 06:49 PM
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Bluing right near manifold to lean 4/5in down rich
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post #8 of 16 (permalink) Old 03-13-2012, 07:30 PM Thread Starter
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I backed out the screws about a half turn each. I am noticing a different sound.. It seems more if a mechanical sound..i have done the grambo as well and it sounds like a chain sound or a valve tap..the bike runs great..just dont know what the 'normal' sound should be

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post #9 of 16 (permalink) Old 04-02-2012, 10:37 PM
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are the caps too the screw taken out by an allen wrench cause i stripped one trying to get it out, now i don't know what i should do cause it won't budge

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post #10 of 16 (permalink) Old 04-02-2012, 11:06 PM
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are the caps too the screw taken out by an allen wrench cause i stripped one trying to get it out, now i don't know what i should do cause it won't budge
NO, the air/fuel screw has a recessed metal cap over it. You can drill a very small hole in it and pick it out with a sharp awl. The allen head screw is the carb drain screw.

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Last edited by JM2001; 04-02-2012 at 11:08 PM.
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