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How do you do it ?
#597929 08/14/2019 7:16 AM
Joined: Jun 2018
Posts: 18
Gr8lite Offline OP
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It there a tool for adjusting the pilot air screws that fits for use on the left side carb?

How do you adjust it ?


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Re: How do you do it ?
Gr8lite #597930 08/14/2019 12:51 PM
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Loquacious
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Fuel screws, not air...OEM Keihin pilot screw head uses a "D" socket bit.

Re: How do you do it ?
B02S4 #597931 08/14/2019 6:30 PM
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Fe Butt
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Fe Butt
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You can get a piece of brake line and flatten one side to make a D tool. I took mine out with needlenose pliers and cut a screw slot in them to use a flat head screwdriver. They are also available with a screw head to buy.


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Re: How do you do it ?
B02S4 #597932 08/16/2019 2:06 PM
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Gr8lite Offline OP
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Call them what you want they adjust the fuel / air ratio or air / fuel ratio. If you google either or "pilot air screw" or "pilot fuel screw" you'll get the same pictures ! I just happen to use MINE to adjust the air / fuel and NOT the fuel / air mix.

Yes I know they are the "D" head style , I have the bit. there is barely clearance for the adjustment on the left side carb.

Last edited by Gr8lite; 08/16/2019 2:08 PM.

If I cared any less you could cover me with dirt
Re: How do you do it ?
Gr8lite #597933 08/17/2019 9:01 AM
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Loquacious
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I'll call them what they are, thanks.

Re: How do you do it ?
B02S4 #597934 08/17/2019 10:55 AM
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Ryk Offline
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I made a tool out of a 223/.5.56 empty casing, after I got it formed right, it worked fine. But I moved on and changed over to the finger knurled needles, that Fast Eddy sells. Much Betta.

Re: How do you do it ?
Ryk #597935 08/17/2019 11:16 AM
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3/4 Throttle
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I used a 22 mini mag casing. Flattened out one side with needle nose pliers. Works great.


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